3031331320013 has 4 divisors (see below), whose sum is σ = 3033650626080. Its totient is φ = 3029012013948.

The previous prime is 3031331319997. The next prime is 3031331320033. The reversal of 3031331320013 is 3100231331303.

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.

It is a cyclic number.

It is not a de Polignac number, because 3031331320013 - 2⁴ = 3031331319997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031331320033) 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, 1159651073 + ... + 1159653686.

It is an arithmetic number, because the mean of its divisors is an integer number (758412656520).

Almost surely, 2^{3031331320013} is an apocalyptic number.

It is an amenable number.

3031331320013 is a deficient number, since it is larger than the sum of its proper divisors (2319306067).

3031331320013 is a wasteful number, since it uses less digits than its factorization.

3031331320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319306066.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 3031331320013 its reverse (3100231331303), we get a palindrome (6131562651316).

The spelling of 3031331320013 in words is "three trillion, thirty-one billion, three hundred thirty-one million, three hundred twenty thousand, thirteen".