It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 342 067 is not a prime number.
For example, 342 067 can be divided by 11: 342 067 / 11 = 31 097.
For 342 067 to be a prime number, it would have been required that 342 067 has only two divisors, i.e., itself and 1.
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342 067 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 342 067 is about 584.865.
Thus, the square root of 342 067 is not an integer, and therefore 342 067 is not a square number.
The square of a number (here 342 067) is the result of the product of this number (342 067) by itself (i.e., 342 067 × 342 067); the square of 342 067 is sometimes called "raising 342 067 to the power 2", or "342 067 squared".
The square of 342 067 is 117 009 832 489 because 342 067 × 342 067 = 342 0672 = 117 009 832 489.
As a consequence, 342 067 is the square root of 117 009 832 489.
The multiples of 342 067 are all integers evenly divisible by 342 067, that is all numbers such that the remainder of the division by 342 067 is zero. There are infinitely many multiples of 342 067. The smallest multiples of 342 067 are: