312872308 has 12 divisors (see below), whose sum is σ = 625744672. Its totient is φ = 134088120.

The previous prime is 312872299. The next prime is 312872323. The reversal of 312872308 is 803278213.

312872308 is an admirable number.

It is a super-2 number, since 2×312872308² = 195778162226493728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5586978 + ... + 5587033.

Almost surely, 2^312872308 is an apocalyptic number.

It is an amenable number.

312872308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312872308 is a wasteful number, since it uses less digits than its factorization.

312872308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11174022 (or 11174020 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 312872308 is about 17688.1968555305. The cubic root of 312872308 is about 678.8737903678.

The spelling of 312872308 in words is "three hundred twelve million, eight hundred seventy-two thousand, three hundred eight".