It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 331 is not a prime number.
For example, 118 331 can be divided by 241: 118 331 / 241 = 491.
For 118 331 to be a prime number, it would have been required that 118 331 has only two divisors, i.e., itself and 1.
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118 331 is an odd number, because it is not evenly divisible by 2.
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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 118 331 is about 343.993.
Thus, the square root of 118 331 is not an integer, and therefore 118 331 is not a square number.
The square of a number (here 118 331) is the result of the product of this number (118 331) by itself (i.e., 118 331 × 118 331); the square of 118 331 is sometimes called "raising 118 331 to the power 2", or "118 331 squared".
The square of 118 331 is 14 002 225 561 because 118 331 × 118 331 = 118 3312 = 14 002 225 561.
As a consequence, 118 331 is the square root of 14 002 225 561.
The multiples of 118 331 are all integers evenly divisible by 118 331, that is all numbers such that the remainder of the division by 118 331 is zero. There are infinitely many multiples of 118 331. The smallest multiples of 118 331 are: