431308804 has 12 divisors (see below), whose sum is σ = 755706700. Its totient is φ = 215392608.

The previous prime is 431308789. The next prime is 431308837. The reversal of 431308804 is 408803134.

It can be written as a sum of positive squares in 2 ways, for example, as 294465600 + 136843204 = 17160^2 + 11698^2 .

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, 61719 + ... + 68350.

Almost surely, 2^431308804 is an apocalyptic number.

It is an amenable number.

431308804 is a deficient number, since it is larger than the sum of its proper divisors (324397896).

431308804 is a wasteful number, since it uses less digits than its factorization.

431308804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130902 (or 130900 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 431308804 is about 20767.9754429747. The cubic root of 431308804 is about 755.5492423188.

The spelling of 431308804 in words is "four hundred thirty-one million, three hundred eight thousand, eight hundred four".