100431135320 has 64 divisors (see below), whose sum is σ = 227534788800. Its totient is φ = 39894566400.

The previous prime is 100431135289. The next prime is 100431135373. The reversal of 100431135320 is 23531134001.

100431135320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16017146 + ... + 16023414.

It is an arithmetic number, because the mean of its divisors is an integer number (3555231075).

Almost surely, 2^100431135320 is an apocalyptic number.

100431135320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100431135320 is an abundant number, since it is smaller than the sum of its proper divisors (127103653480).

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

100431135320 is a wasteful number, since it uses less digits than its factorization.

100431135320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8988 (or 8984 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 100431135320 its reverse (23531134001), we get a palindrome (123962269321).

The spelling of 100431135320 in words is "one hundred billion, four hundred thirty-one million, one hundred thirty-five thousand, three hundred twenty".