231021321300100 has 72 divisors (see below), whose sum is σ = 517492977440768. Its totient is φ = 89426706566400.

The previous prime is 231021321300043. The next prime is 231021321300151. The reversal of 231021321300100 is 1003123120132.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364171789 + ... + 364805611.

Almost surely, 2^{231021321300100} is an apocalyptic number.

231021321300100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231021321300100 is an abundant number, since it is smaller than the sum of its proper divisors (286471656140668).

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

231021321300100 is a wasteful number, since it uses less digits than its factorization.

231021321300100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751445 (or 751438 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231021321300100 its reverse (1003123120132), we get a palindrome (232024444420232).

The spelling of 231021321300100 in words is "two hundred thirty-one trillion, twenty-one billion, three hundred twenty-one million, three hundred thousand, one hundred".