23131013312200 has 96 divisors (see below), whose sum is σ = 54134236080000. Its totient is φ = 9191538892800.

The previous prime is 23131013312171. The next prime is 23131013312221. The reversal of 23131013312200 is 221331013132.

It is a super-2 number, since 2×23131013312200² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25058461 + ... + 25965139.

It is an arithmetic number, because the mean of its divisors is an integer number (563898292500).

Almost surely, 2^{23131013312200} is an apocalyptic number.

23131013312200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23131013312200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27067118040000).

23131013312200 is an abundant number, since it is smaller than the sum of its proper divisors (31003222767800).

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

23131013312200 is a wasteful number, since it uses less digits than its factorization.

23131013312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907535 (or 907526 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 23131013312200 its reverse (221331013132), we get a palindrome (23352344325332).

The spelling of 23131013312200 in words is "twenty-three trillion, one hundred thirty-one billion, thirteen million, three hundred twelve thousand, two hundred".