Is 31371007 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 31 371 007 is a prime number.
Indeed, the definition of a prime numbers is to have exactly two distinct positive divisors, 1 and itself. A number is a divisor of another number when the remainder of Euclid’s division of the second one by the first one is zero. Concerning the number 31 371 007, the only two divisors are 1 and 31 371 007. Therefore 31 371 007 is a prime number.
As a consequence, 31 371 007 is only a multiple of 1 and 31 371 007.
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Since 31371007 is a prime number, 31371007 is also a deficient number, that is to say 31371007 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 31371007 without 31371007 itself (that is 1, by definition!).