318125107 has 4 divisors (see below), whose sum is σ = 318369816. Its totient is φ = 317880400.

The previous prime is 318125083. The next prime is 318125123. The reversal of 318125107 is 701521813.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318125107 is a prime.

It is a super-2 number, since 2×318125107² = 202407167407522898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318125407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120394 + ... + 123007.

It is an arithmetic number, because the mean of its divisors is an integer number (79592454).

Almost surely, 2^318125107 is an apocalyptic number.

318125107 is a deficient number, since it is larger than the sum of its proper divisors (244709).

318125107 is a wasteful number, since it uses less digits than its factorization.

318125107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244708.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 318125107 is about 17836.0619812783. The cubic root of 318125107 is about 682.6519187549.

The spelling of 318125107 in words is "three hundred eighteen million, one hundred twenty-five thousand, one hundred seven".