23102203131 has 16 divisors (see below), whose sum is σ = 39114841600. Its totient is φ = 13201258824.

The previous prime is 23102203123. The next prime is 23102203141. The reversal of 23102203131 is 13130220132.

23102203131 is a `hidden beast` number, since 2 + 310 + 220 + 3 + 131 = 666.

It is not a de Polignac number, because 23102203131 - 2³ = 23102203123 is a prime.

It is a super-2 number, since 2×23102203131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23102203141) 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, 61116751 + ... + 61117128.

It is an arithmetic number, because the mean of its divisors is an integer number (2444677600).

Almost surely, 2^23102203131 is an apocalyptic number.

23102203131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23102203131 is a deficient number, since it is larger than the sum of its proper divisors (16012638469).

23102203131 is a wasteful number, since it uses less digits than its factorization.

23102203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122233895 (or 122233889 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23102203131 its reverse (13130220132), we get a palindrome (36232423263).

The spelling of 23102203131 in words is "twenty-three billion, one hundred two million, two hundred three thousand, one hundred thirty-one".