23131240110 has 96 divisors (see below), whose sum is σ = 69061749120. Its totient is φ = 5312433600.

The previous prime is 23131240081. The next prime is 23131240157. The reversal of 23131240110 is 1104213132.

23131240110 is a `hidden beast` number, since 2 + 313 + 1 + 240 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 596056 + ... + 633675.

It is an arithmetic number, because the mean of its divisors is an integer number (719393220).

Almost surely, 2^23131240110 is an apocalyptic number.

23131240110 is an abundant number, since it is smaller than the sum of its proper divisors (45930509010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23131240110 is a wasteful number, since it uses less digits than its factorization.

23131240110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229774 (or 1229771 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23131240110 its reverse (1104213132), we get a palindrome (24235453242).

The spelling of 23131240110 in words is "twenty-three billion, one hundred thirty-one million, two hundred forty thousand, one hundred ten".