100431220332 has 24 divisors (see below), whose sum is σ = 234441068400. Its totient is φ = 33462565696.

The previous prime is 100431220313. The next prime is 100431220363. The reversal of 100431220332 is 233022134001.

It is a junction number, because it is equal to n+sod(n) for n = 100431220299 and 100431220308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1784607 + ... + 1840022.

It is an arithmetic number, because the mean of its divisors is an integer number (9768377850).

Almost surely, 2^100431220332 is an apocalyptic number.

100431220332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100431220332 is an abundant number, since it is smaller than the sum of its proper divisors (134009848068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100431220332 is a wasteful number, since it uses less digits than its factorization.

100431220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626945 (or 3626943 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 100431220332 its reverse (233022134001), we get a palindrome (333453354333).

The spelling of 100431220332 in words is "one hundred billion, four hundred thirty-one million, two hundred twenty thousand, three hundred thirty-two".