312111110312 has 32 divisors (see below), whose sum is σ = 597020884200. Its totient is φ = 152936577024.

The previous prime is 312111110299. The next prime is 312111110351. The reversal of 312111110312 is 213011111213.

It can be written as a sum of positive squares in 4 ways, for example, as 72271719556 + 239839390756 = 268834^2 + 489734^2 .

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, 1859183 + ... + 2020094.

Almost surely, 2^312111110312 is an apocalyptic number.

It is an amenable number.

312111110312 is a deficient number, since it is larger than the sum of its proper divisors (284909773888).

312111110312 is a wasteful number, since it uses less digits than its factorization.

312111110312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879485 (or 3879481 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 312111110312 its reverse (213011111213), we get a palindrome (525122221525).

Subtracting from 312111110312 its reverse (213011111213), we obtain a palindrome (99099999099).

The spelling of 312111110312 in words is "three hundred twelve billion, one hundred eleven million, one hundred ten thousand, three hundred twelve".