3112012331013 has 32 divisors (see below), whose sum is σ = 4309676800000. Its totient is φ = 1995968532096.

The previous prime is 3112012330981. The next prime is 3112012331041. The reversal of 3112012331013 is 3101332102113.

It is a happy number.

It is not a de Polignac number, because 3112012331013 - 2⁵ = 3112012330981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112012338013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140429028 + ... + 140451186.

It is an arithmetic number, because the mean of its divisors is an integer number (134677400000).

Almost surely, 2^{3112012331013} is an apocalyptic number.

It is an amenable number.

3112012331013 is a deficient number, since it is larger than the sum of its proper divisors (1197664468987).

3112012331013 is a wasteful number, since it uses less digits than its factorization.

3112012331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38521.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3112012331013 its reverse (3101332102113), we get a palindrome (6213344433126).

The spelling of 3112012331013 in words is "three trillion, one hundred twelve billion, twelve million, three hundred thirty-one thousand, thirteen".