23100031320 has 32 divisors (see below), whose sum is σ = 69300094320. Its totient is φ = 6160008320.

The previous prime is 23100031267. The next prime is 23100031349. The reversal of 23100031320 is 2313000132.

It is a super-2 number, since 2×23100031320² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23100031320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96250011 + ... + 96250250.

Almost surely, 2^23100031320 is an apocalyptic number.

23100031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23100031320 is an abundant number, since it is smaller than the sum of its proper divisors (46200063000).

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

23100031320 is a wasteful number, since it uses less digits than its factorization.

23100031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192500275 (or 192500271 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23100031320 its reverse (2313000132), we get a palindrome (25413031452).

The spelling of 23100031320 in words is "twenty-three billion, one hundred million, thirty-one thousand, three hundred twenty".