100131331031 has 8 divisors (see below), whose sum is σ = 100290956928. Its totient is φ = 99971820000.

The previous prime is 100131331009. The next prime is 100131331043. The reversal of 100131331031 is 130133131001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100131331031 is a prime.

It is a super-2 number, since 2×100131331031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131331061) 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, 1808621 + ... + 1863161.

It is an arithmetic number, because the mean of its divisors is an integer number (12536369616).

Almost surely, 2^100131331031 is an apocalyptic number.

100131331031 is a deficient number, since it is larger than the sum of its proper divisors (159625897).

100131331031 is an equidigital number, since it uses as much as digits as its factorization.

100131331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57433.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 100131331031 its reverse (130133131001), we get a palindrome (230264462032).

The spelling of 100131331031 in words is "one hundred billion, one hundred thirty-one million, three hundred thirty-one thousand, thirty-one".