3113131312 has 60 divisors (see below), whose sum is σ = 6219409720. Its totient is φ = 1509534720.

The previous prime is 3113131297. The next prime is 3113131313. The reversal of 3113131312 is 2131313113.

3113131312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3113131312.

It is not an unprimeable number, because it can be changed into a prime (3113131313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7611364 + ... + 7611772.

Almost surely, 2^3113131312 is an apocalyptic number.

It is an amenable number.

3113131312 is a deficient number, since it is larger than the sum of its proper divisors (3106278408).

3113131312 is a wasteful number, since it uses less digits than its factorization.

3113131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 735 counting only the distinct ones).

The product of its digits is 162, while the sum is 19.

The square root of 3113131312 is about 55795.4416776138. The cubic root of 3113131312 is about 1460.1556273712.

Adding to 3113131312 its reverse (2131313113), we get a palindrome (5244444425).

The spelling of 3113131312 in words is "three billion, one hundred thirteen million, one hundred thirty-one thousand, three hundred twelve".