312116628 has 24 divisors (see below), whose sum is σ = 732915232. Its totient is φ = 103375584.

The previous prime is 312116593. The next prime is 312116663. The reversal of 312116628 is 826611213.

312116628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (312116593) and next prime (312116663).

It is a junction number, because it is equal to n+sod(n) for n = 312116595 and 312116604.

It is a congruent number.

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, 80950 + ... + 84717.

Almost surely, 2^312116628 is an apocalyptic number.

It is an amenable number.

312116628 is an abundant number, since it is smaller than the sum of its proper divisors (420798604).

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

312116628 is a wasteful number, since it uses less digits than its factorization.

312116628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165831 (or 165829 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 312116628 is about 17666.8228043415. The cubic root of 312116628 is about 678.3267888030.

The spelling of 312116628 in words is "three hundred twelve million, one hundred sixteen thousand, six hundred twenty-eight".