315109975 has 12 divisors (see below), whose sum is σ = 396091216. Its totient is φ = 248633280.

The previous prime is 315109967. The next prime is 315109979. The reversal of 315109975 is 579901513.

It is not a de Polignac number, because 315109975 - 2³ = 315109967 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315109979) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 84507 + ... + 88156.

Almost surely, 2^315109975 is an apocalyptic number.

315109975 is a deficient number, since it is larger than the sum of its proper divisors (80981241).

315109975 is a wasteful number, since it uses less digits than its factorization.

315109975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172746 (or 172741 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 40.

The square root of 315109975 is about 17751.3372735690. The cubic root of 315109975 is about 680.4883854541.

The spelling of 315109975 in words is "three hundred fifteen million, one hundred nine thousand, nine hundred seventy-five".