312315904 has 26 divisors (see below), whose sum is σ = 624563750. Its totient is φ = 156155904.

The previous prime is 312315889. The next prime is 312315911. The reversal of 312315904 is 409513213.

It can be written as a sum of positive squares in only one way, i.e., 276889600 + 35426304 = 16640^2 + 5952^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34029 + ... + 42220.

Almost surely, 2^312315904 is an apocalyptic number.

It is an amenable number.

312315904 is a deficient number, since it is larger than the sum of its proper divisors (312247846).

312315904 is an frugal number, since it uses more digits than its factorization.

312315904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76273 (or 76251 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 312315904 is about 17672.4617413647. The cubic root of 312315904 is about 678.4711210591.

The spelling of 312315904 in words is "three hundred twelve million, three hundred fifteen thousand, nine hundred four".