315231504 has 120 divisors (see below), whose sum is σ = 957403008. Its totient is φ = 89107200.

The previous prime is 315231487. The next prime is 315231509. The reversal of 315231504 is 405132513.

It is a super-2 number, since 2×315231504² = 198741802228204032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (315231509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236889 + ... + 238215.

Almost surely, 2^315231504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315231504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478701504).

315231504 is an abundant number, since it is smaller than the sum of its proper divisors (642171504).

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

315231504 is a wasteful number, since it uses less digits than its factorization.

315231504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 315231504 is about 17754.7600378039. The cubic root of 315231504 is about 680.5758559145.

The spelling of 315231504 in words is "three hundred fifteen million, two hundred thirty-one thousand, five hundred four".