311675312 has 20 divisors (see below), whose sum is σ = 650322960. Its totient is φ = 143850048.

The previous prime is 311675293. The next prime is 311675327. The reversal of 311675312 is 213576113.

It is a super-2 number, since 2×311675312² = 194283000220594688, which contains 22 as substring.

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, 749012 + ... + 749427.

It is an arithmetic number, because the mean of its divisors is an integer number (32516148).

Almost surely, 2^311675312 is an apocalyptic number.

It is an amenable number.

311675312 is an abundant number, since it is smaller than the sum of its proper divisors (338647648).

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

311675312 is a wasteful number, since it uses less digits than its factorization.

311675312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498460 (or 1498454 counting only the distinct ones).

The product of its digits is 3780, while the sum is 29.

The square root of 311675312 is about 17654.3284210983. The cubic root of 311675312 is about 678.0069322275.

The spelling of 311675312 in words is "three hundred eleven million, six hundred seventy-five thousand, three hundred twelve".