312102056 has 32 divisors (see below), whose sum is σ = 703992000. Its totient is φ = 126717696.

The previous prime is 312102023. The next prime is 312102143. The reversal of 312102056 is 650201213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145601 + ... + 147728.

It is an arithmetic number, because the mean of its divisors is an integer number (21999750).

Almost surely, 2^312102056 is an apocalyptic number.

It is an amenable number.

312102056 is an abundant number, since it is smaller than the sum of its proper divisors (391889944).

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

312102056 is a wasteful number, since it uses less digits than its factorization.

312102056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293361 (or 293357 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 312102056 is about 17666.4103880783. The cubic root of 312102056 is about 678.3162321383.

Adding to 312102056 its reverse (650201213), we get a palindrome (962303269).

The spelling of 312102056 in words is "three hundred twelve million, one hundred two thousand, fifty-six".