100431311012 has 12 divisors (see below), whose sum is σ = 179842115376. Its totient is φ = 49047849480.

The previous prime is 100431310897. The next prime is 100431311021. The reversal of 100431311012 is 210113134001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291951314 + ... + 291951657.

It is an arithmetic number, because the mean of its divisors is an integer number (14986842948).

Almost surely, 2^100431311012 is an apocalyptic number.

It is an amenable number.

100431311012 is a deficient number, since it is larger than the sum of its proper divisors (79410804364).

100431311012 is a wasteful number, since it uses less digits than its factorization.

100431311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583903018 (or 583903016 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 100431311012 its reverse (210113134001), we get a palindrome (310544445013).

The spelling of 100431311012 in words is "one hundred billion, four hundred thirty-one million, three hundred eleven thousand, twelve".