23131101031 has 16 divisors (see below), whose sum is σ = 23413598208. Its totient is φ = 22850920000.

The previous prime is 23131100969. The next prime is 23131101047. The reversal of 23131101031 is 13010113132.

It is a cyclic number.

It is not a de Polignac number, because 23131101031 - 2⁷ = 23131100903 is a prime.

It is a super-2 number, since 2×23131101031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23131100996 and 23131101014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131101131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26990355 + ... + 26991211.

It is an arithmetic number, because the mean of its divisors is an integer number (1463349888).

Almost surely, 2^23131101031 is an apocalyptic number.

23131101031 is a deficient number, since it is larger than the sum of its proper divisors (282497177).

23131101031 is a wasteful number, since it uses less digits than its factorization.

23131101031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 23131101031 its reverse (13010113132), we get a palindrome (36141214163).

The spelling of 23131101031 in words is "twenty-three billion, one hundred thirty-one million, one hundred one thousand, thirty-one".