3131344431313 has 8 divisors (see below), whose sum is σ = 3579073073600. Its totient is φ = 2683714219920.

The previous prime is 3131344431269. The next prime is 3131344431389.

3131344431313 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131344431313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131344731313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24539538 + ... + 24666811.

It is an arithmetic number, because the mean of its divisors is an integer number (447384134200).

Almost surely, 2^{3131344431313} is an apocalyptic number.

It is an amenable number.

3131344431313 is a deficient number, since it is larger than the sum of its proper divisors (447728642287).

3131344431313 is an equidigital number, since it uses as much as digits as its factorization.

3131344431313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49215447.

The product of its digits is 46656, while the sum is 34.

The spelling of 3131344431313 in words is "three trillion, one hundred thirty-one billion, three hundred forty-four million, four hundred thirty-one thousand, three hundred thirteen".