Is 31213009 a prime number?

31 213 009 is an odd number, because it is not evenly divisible by 2.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 31 213 009 is about 5 586.860.

Thus, the square root of 31 213 009 is not an integer, and therefore 31 213 009 is not a square number.

Anyway, 31 213 009 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 31 213 009) is the result of the product of this number (31 213 009) by itself (i.e., 31 213 009 × 31 213 009); the square of 31 213 009 is sometimes called "raising 31 213 009 to the power 2", or "31 213 009 squared".

The square of 31 213 009 is 974 251 930 834 081 because 31 213 009 × 31 213 009 = 31 213 009² = 974 251 930 834 081.

As a consequence, 31 213 009 is the square root of 974 251 930 834 081.

31 213 009 is a number with 8 digits.

The multiples of 31 213 009 are all integers evenly divisible by 31 213 009, that is all numbers such that the remainder of the division by 31 213 009 is zero. There are infinitely many multiples of 31 213 009. The smallest multiples of 31 213 009 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 31 213 009 too, since 0 × 31 213 009 = 0
• 31 213 009: indeed, 31 213 009 is a multiple of itself, since 31 213 009 is evenly divisible by 31 213 009 (we have 31 213 009 / 31 213 009 = 1, so the remainder of this division is indeed zero)
• 62 426 018: indeed, 62 426 018 = 31 213 009 × 2
• 93 639 027: indeed, 93 639 027 = 31 213 009 × 3
• 124 852 036: indeed, 124 852 036 = 31 213 009 × 4
• 156 065 045: indeed, 156 065 045 = 31 213 009 × 5
• etc.

• Preceding numbers: …31 213 007, 31 213 008
• Following numbers: 31 213 010, 31 213 011…

Nearest numbers from 31 213 009

• Preceding prime number: 31 212 899
• Following prime number: 31 213 027

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• 31 213 009 est-il un nombre premier ?