3131130013313 has 4 divisors (see below), whose sum is σ = 3131133607680. Its totient is φ = 3131126418948.

The previous prime is 3131130013301. The next prime is 3131130013373. The reversal of 3131130013313 is 3133100311313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3131130013313 - 2²² = 3131125819009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131130013373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427256 + ... + 2538662.

It is an arithmetic number, because the mean of its divisors is an integer number (782783401920).

Almost surely, 2^{3131130013313} is an apocalyptic number.

It is an amenable number.

3131130013313 is a deficient number, since it is larger than the sum of its proper divisors (3594367).

3131130013313 is a wasteful number, since it uses less digits than its factorization.

3131130013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594366.

The product of its (nonzero) digits is 729, while the sum is 23.

Adding to 3131130013313 its reverse (3133100311313), we get a palindrome (6264230324626).

The spelling of 3131130013313 in words is "three trillion, one hundred thirty-one billion, one hundred thirty million, thirteen thousand, three hundred thirteen".