3112331313 has 16 divisors (see below), whose sum is σ = 5107415936. Its totient is φ = 1641669120.

The previous prime is 3112331311. The next prime is 3112331329. The reversal of 3112331313 is 3131332113.

It is not a de Polignac number, because 3112331313 - 2¹ = 3112331311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3112331313.

It is not an unprimeable number, because it can be changed into a prime (3112331311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5699968 + ... + 5700513.

It is an arithmetic number, because the mean of its divisors is an integer number (319213496).

Almost surely, 2^3112331313 is an apocalyptic number.

It is an amenable number.

3112331313 is a deficient number, since it is larger than the sum of its proper divisors (1995084623).

3112331313 is a wasteful number, since it uses less digits than its factorization.

3112331313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11400504.

The product of its digits is 486, while the sum is 21.

The square root of 3112331313 is about 55788.2721815258. The cubic root of 3112331313 is about 1460.0305418331.

Adding to 3112331313 its reverse (3131332113), we get a palindrome (6243663426).

The spelling of 3112331313 in words is "three billion, one hundred twelve million, three hundred thirty-one thousand, three hundred thirteen".