315118938 has 8 divisors (see below), whose sum is σ = 630237888. Its totient is φ = 105039644.

The previous prime is 315118897. The next prime is 315118943. The reversal of 315118938 is 839811513.

It is a sphenic number, since it is the product of 3 distinct primes.

315118938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 315118896 and 315118905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26259906 + ... + 26259917.

It is an arithmetic number, because the mean of its divisors is an integer number (78779736).

Almost surely, 2^315118938 is an apocalyptic number.

315118938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315118938 is a wasteful number, since it uses less digits than its factorization.

315118938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52519828.

The product of its digits is 25920, while the sum is 39.

The square root of 315118938 is about 17751.5897316269. The cubic root of 315118938 is about 680.4948373387.

The spelling of 315118938 in words is "three hundred fifteen million, one hundred eighteen thousand, nine hundred thirty-eight".