315873172 has 12 divisors (see below), whose sum is σ = 553838656. Its totient is φ = 157633560.

The previous prime is 315873139. The next prime is 315873199. The reversal of 315873172 is 271378513.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73404 + ... + 77587.

Almost surely, 2^315873172 is an apocalyptic number.

It is an amenable number.

315873172 is a deficient number, since it is larger than the sum of its proper divisors (237965484).

315873172 is a wasteful number, since it uses less digits than its factorization.

315873172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151518 (or 151516 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 315873172 is about 17772.8211604123. The cubic root of 315873172 is about 681.0373239333.

The spelling of 315873172 in words is "three hundred fifteen million, eight hundred seventy-three thousand, one hundred seventy-two".