315431204 has 24 divisors (see below), whose sum is σ = 616877856. Its totient is φ = 139880000.

The previous prime is 315431197. The next prime is 315431227. The reversal of 315431204 is 402134513.

It is a self number, because there is not a number n which added to its sum of digits gives 315431204.

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, 85622 + ... + 89229.

It is an arithmetic number, because the mean of its divisors is an integer number (25703244).

Almost surely, 2^315431204 is an apocalyptic number.

It is an amenable number.

315431204 is a deficient number, since it is larger than the sum of its proper divisors (301446652).

315431204 is a wasteful number, since it uses less digits than its factorization.

315431204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174907 (or 174905 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 315431204 is about 17760.3829913659. The cubic root of 315431204 is about 680.7195411181.

Adding to 315431204 its reverse (402134513), we get a palindrome (717565717).

The spelling of 315431204 in words is "three hundred fifteen million, four hundred thirty-one thousand, two hundred four".