315172924 has 24 divisors (see below), whose sum is σ = 607659696. Its totient is φ = 141840000.

The previous prime is 315172903. The next prime is 315172937. The reversal of 315172924 is 429271513.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 315172924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31017 + ... + 39904.

It is an arithmetic number, because the mean of its divisors is an integer number (25319154).

Almost surely, 2^315172924 is an apocalyptic number.

It is an amenable number.

315172924 is a deficient number, since it is larger than the sum of its proper divisors (292486772).

315172924 is a wasteful number, since it uses less digits than its factorization.

315172924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71037 (or 71035 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 315172924 is about 17753.1102627117. The cubic root of 315172924 is about 680.5336957846.

The spelling of 315172924 in words is "three hundred fifteen million, one hundred seventy-two thousand, nine hundred twenty-four".