312351112 has 16 divisors (see below), whose sum is σ = 605853900. Its totient is φ = 150790080.

The previous prime is 312351103. The next prime is 312351113. The reversal of 312351112 is 211153213.

It can be written as a sum of positive squares in 2 ways, for example, as 309548836 + 2802276 = 17594^2 + 1674^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312351112.

It is not an unprimeable number, because it can be changed into a prime (312351113) 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, 672939 + ... + 673402.

Almost surely, 2^312351112 is an apocalyptic number.

It is an amenable number.

312351112 is a deficient number, since it is larger than the sum of its proper divisors (293502788).

312351112 is a wasteful number, since it uses less digits than its factorization.

312351112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346376 (or 1346372 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 312351112 is about 17673.4578393703. The cubic root of 312351112 is about 678.4966152392.

The spelling of 312351112 in words is "three hundred twelve million, three hundred fifty-one thousand, one hundred twelve".