100023312131 has 8 divisors (see below), whose sum is σ = 111481091280. Its totient is φ = 89184872448.

The previous prime is 100023312113. The next prime is 100023312143. The reversal of 100023312131 is 131213320001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100023312131 - 2²⁶ = 99956203267 is a prime.

It is a super-2 number, since 2×100023312131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100023312161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154834526 + ... + 154835171.

It is an arithmetic number, because the mean of its divisors is an integer number (13935136410).

Almost surely, 2^100023312131 is an apocalyptic number.

100023312131 is a deficient number, since it is larger than the sum of its proper divisors (11457779149).

100023312131 is a wasteful number, since it uses less digits than its factorization.

100023312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309669733.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100023312131 its reverse (131213320001), we get a palindrome (231236632132).

The spelling of 100023312131 in words is "one hundred billion, twenty-three million, three hundred twelve thousand, one hundred thirty-one".