312110992 has 20 divisors (see below), whose sum is σ = 625568220. Its totient is φ = 150674048.

The previous prime is 312110977. The next prime is 312110993. The reversal of 312110992 is 299011213.

It can be written as a sum of positive squares in 2 ways, for example, as 57517056 + 254593936 = 7584^2 + 15956^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312110992.

It is not an unprimeable number, because it can be changed into a prime (312110993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335863 + ... + 336790.

It is an arithmetic number, because the mean of its divisors is an integer number (31278411).

Almost surely, 2^312110992 is an apocalyptic number.

It is an amenable number.

312110992 is an abundant number, since it is smaller than the sum of its proper divisors (313457228).

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

312110992 is a wasteful number, since it uses less digits than its factorization.

312110992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672690 (or 672684 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 312110992 is about 17666.6632955972. The cubic root of 312110992 is about 678.3227058498.

The spelling of 312110992 in words is "three hundred twelve million, one hundred ten thousand, nine hundred ninety-two".