Is 31321 a prime number?

31 321 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 31 321 is about 176.977.

Thus, the square root of 31 321 is not an integer, and therefore 31 321 is not a square number.

Anyway, 31 321 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 31 321) is the result of the product of this number (31 321) by itself (i.e., 31 321 × 31 321); the square of 31 321 is sometimes called "raising 31 321 to the power 2", or "31 321 squared".

The square of 31 321 is 981 005 041 because 31 321 × 31 321 = 31 321² = 981 005 041.

As a consequence, 31 321 is the square root of 981 005 041.

31 321 is a number with 5 digits.

The multiples of 31 321 are all integers evenly divisible by 31 321, that is all numbers such that the remainder of the division by 31 321 is zero. There are infinitely many multiples of 31 321. The smallest multiples of 31 321 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 31 321 too, since 0 × 31 321 = 0
• 31 321: indeed, 31 321 is a multiple of itself, since 31 321 is evenly divisible by 31 321 (we have 31 321 / 31 321 = 1, so the remainder of this division is indeed zero)
• 62 642: indeed, 62 642 = 31 321 × 2
• 93 963: indeed, 93 963 = 31 321 × 3
• 125 284: indeed, 125 284 = 31 321 × 4
• 156 605: indeed, 156 605 = 31 321 × 5
• etc.

• Preceding numbers: …31 319, 31 320
• Following numbers: 31 322, 31 323…

Nearest numbers from 31 321

• Preceding prime number: 31 319
• Following prime number: 31 327

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• 31 321 est-il un nombre premier ?