31320022310013 has 8 divisors (see below), whose sum is σ = 43107127480576. Its totient is φ = 20206466006400.

The previous prime is 31320022309981. The next prime is 31320022310081. The reversal of 31320022310013 is 31001322002313.

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

It is not a de Polignac number, because 31320022310013 - 2⁵ = 31320022309981 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 (31320022310513) 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, 168387216628 + ... + 168387216813.

It is an arithmetic number, because the mean of its divisors is an integer number (5388390935072).

Almost surely, 2^{31320022310013} is an apocalyptic number.

It is an amenable number.

31320022310013 is a deficient number, since it is larger than the sum of its proper divisors (11787105170563).

31320022310013 is a wasteful number, since it uses less digits than its factorization.

31320022310013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336774433475.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31320022310013 its reverse (31001322002313), we get a palindrome (62321344312326).

The spelling of 31320022310013 in words is "thirty-one trillion, three hundred twenty billion, twenty-two million, three hundred ten thousand, thirteen".