315421924 has 12 divisors (see below), whose sum is σ = 552342700. Its totient is φ = 157609728.

The previous prime is 315421919. The next prime is 315421933. The reversal of 315421924 is 429124513.

It can be written as a sum of positive squares in 2 ways, for example, as 141181924 + 174240000 = 11882^2 + 13200^2 .

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, 18069 + ... + 30940.

Almost surely, 2^315421924 is an apocalyptic number.

It is an amenable number.

315421924 is a deficient number, since it is larger than the sum of its proper divisors (236920776).

315421924 is a wasteful number, since it uses less digits than its factorization.

315421924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50622 (or 50620 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 315421924 is about 17760.1217338170. The cubic root of 315421924 is about 680.7128654530.

The spelling of 315421924 in words is "three hundred fifteen million, four hundred twenty-one thousand, nine hundred twenty-four".