31047733774013 has 16 divisors (see below), whose sum is σ = 34533372793920. Its totient is φ = 27677953497600.

The previous prime is 31047733774003. The next prime is 31047733774063.

31047733774013 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31047733774013 - 2⁶ = 31047733773949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31047733774003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133361483 + ... + 133594088.

It is an arithmetic number, because the mean of its divisors is an integer number (2158335799620).

Almost surely, 2^{31047733774013} is an apocalyptic number.

It is an amenable number.

31047733774013 is a deficient number, since it is larger than the sum of its proper divisors (3485639019907).

31047733774013 is a wasteful number, since it uses less digits than its factorization.

31047733774013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266955788.

The product of its (nonzero) digits is 3111696, while the sum is 50.

It can be divided in two parts, 3104773 and 3774013, that added together give a palindrome (6878786).

The spelling of 31047733774013 in words is "thirty-one trillion, forty-seven billion, seven hundred thirty-three million, seven hundred seventy-four thousand, thirteen".