It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 324 109 is not a prime number.
For example, 324 109 can be divided by 101: 324 109 / 101 = 3 209.
For 324 109 to be a prime number, it would have been required that 324 109 has only two divisors, i.e., itself and 1.
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324 109 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 324 109 is about 569.306.
Thus, the square root of 324 109 is not an integer, and therefore 324 109 is not a square number.
The square of a number (here 324 109) is the result of the product of this number (324 109) by itself (i.e., 324 109 × 324 109); the square of 324 109 is sometimes called "raising 324 109 to the power 2", or "324 109 squared".
The square of 324 109 is 105 046 643 881 because 324 109 × 324 109 = 324 1092 = 105 046 643 881.
As a consequence, 324 109 is the square root of 105 046 643 881.
The multiples of 324 109 are all integers evenly divisible by 324 109, that is all numbers such that the remainder of the division by 324 109 is zero. There are infinitely many multiples of 324 109. The smallest multiples of 324 109 are: