31130113300023 has 4 divisors (see below), whose sum is σ = 41506817733368. Its totient is φ = 20753408866680.

The previous prime is 31130113300009. The next prime is 31130113300043. The reversal of 31130113300023 is 32000331103113.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31130113300023 - 2⁴ = 31130113300007 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 (31130113300003) 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, 5188352216668 + ... + 5188352216673.

It is an arithmetic number, because the mean of its divisors is an integer number (10376704433342).

Almost surely, 2^{31130113300023} is an apocalyptic number.

31130113300023 is a deficient number, since it is larger than the sum of its proper divisors (10376704433345).

31130113300023 is a wasteful number, since it uses less digits than its factorization.

31130113300023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10376704433344.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 31130113300023 its reverse (32000331103113), we get a palindrome (63130444403136).

The spelling of 31130113300023 in words is "thirty-one trillion, one hundred thirty billion, one hundred thirteen million, three hundred thousand, twenty-three".