100020112031 has 16 divisors (see below), whose sum is σ = 118712841984. Its totient is φ = 82487934144.

The previous prime is 100020112021. The next prime is 100020112043. The reversal of 100020112031 is 130211020001.

It is not a de Polignac number, because 100020112031 - 2¹⁰ = 100020111007 is a prime.

It is a super-2 number, since 2×100020112031² (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 (100020112001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2459630 + ... + 2499963.

It is an arithmetic number, because the mean of its divisors is an integer number (7419552624).

Almost surely, 2^100020112031 is an apocalyptic number.

100020112031 is a deficient number, since it is larger than the sum of its proper divisors (18692729953).

100020112031 is an equidigital number, since it uses as much as digits as its factorization.

100020112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959710.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100020112031 its reverse (130211020001), we get a palindrome (230231132032).

The spelling of 100020112031 in words is "one hundred billion, twenty million, one hundred twelve thousand, thirty-one".