312113013111 has 6 divisors (see below), whose sum is σ = 450829907840. Its totient is φ = 208075342068.

The previous prime is 312113013083. The next prime is 312113013133. The reversal of 312113013111 is 111310311213.

312113013111 is a `hidden beast` number, since 31 + 21 + 1 + 301 + 311 + 1 = 666.

It is not a de Polignac number, because 312113013111 - 2³⁰ = 311039271287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312113013011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17339611831 + ... + 17339611848.

Almost surely, 2^312113013111 is an apocalyptic number.

312113013111 is a deficient number, since it is larger than the sum of its proper divisors (138716894729).

312113013111 is a wasteful number, since it uses less digits than its factorization.

312113013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34679223685 (or 34679223682 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 312113013111 its reverse (111310311213), we get a palindrome (423423324324).

The spelling of 312113013111 in words is "three hundred twelve billion, one hundred thirteen million, thirteen thousand, one hundred eleven".