311304912 has 40 divisors (see below), whose sum is σ = 813251520. Its totient is φ = 102600960.

The previous prime is 311304887. The next prime is 311304941. The reversal of 311304912 is 219403113.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32164 + ... + 40707.

It is an arithmetic number, because the mean of its divisors is an integer number (20331288).

Almost surely, 2^311304912 is an apocalyptic number.

It is an amenable number.

311304912 is an abundant number, since it is smaller than the sum of its proper divisors (501946608).

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

311304912 is a wasteful number, since it uses less digits than its factorization.

311304912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72971 (or 72965 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 311304912 is about 17643.8349572875. The cubic root of 311304912 is about 677.7382409458.

The spelling of 311304912 in words is "three hundred eleven million, three hundred four thousand, nine hundred twelve".