It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 216 131 is not a prime number.
For example, 216 131 can be divided by 23: 216 131 / 23 = 9 397.
For 216 131 to be a prime number, it would have been required that 216 131 has only two divisors, i.e., itself and 1.
Find out more:
216 131 is an odd number, because it is not evenly divisible by 2.
Find out more:
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 216 131 is about 464.899.
Thus, the square root of 216 131 is not an integer, and therefore 216 131 is not a square number.
The square of a number (here 216 131) is the result of the product of this number (216 131) by itself (i.e., 216 131 × 216 131); the square of 216 131 is sometimes called "raising 216 131 to the power 2", or "216 131 squared".
The square of 216 131 is 46 712 609 161 because 216 131 × 216 131 = 216 1312 = 46 712 609 161.
As a consequence, 216 131 is the square root of 46 712 609 161.
The multiples of 216 131 are all integers evenly divisible by 216 131, that is all numbers such that the remainder of the division by 216 131 is zero. There are infinitely many multiples of 216 131. The smallest multiples of 216 131 are: