100131131323 has 4 divisors (see below), whose sum is σ = 102459762328. Its totient is φ = 97802500320.

The previous prime is 100131131273. The next prime is 100131131363. The reversal of 100131131323 is 323131131001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100131131323 - 2¹⁷ = 100131000251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100131131323.

It is not an unprimeable number, because it can be changed into a prime (100131131363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164315438 + ... + 1164315523.

It is an arithmetic number, because the mean of its divisors is an integer number (25614940582).

Almost surely, 2^100131131323 is an apocalyptic number.

100131131323 is a deficient number, since it is larger than the sum of its proper divisors (2328631005).

100131131323 is an equidigital number, since it uses as much as digits as its factorization.

100131131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328631004.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 100131131323 its reverse (323131131001), we get a palindrome (423262262324).

The spelling of 100131131323 in words is "one hundred billion, one hundred thirty-one million, one hundred thirty-one thousand, three hundred twenty-three".