231101132100 has 36 divisors (see below), whose sum is σ = 668652609744. Its totient is φ = 61626968480.

The previous prime is 231101131999. The next prime is 231101132117. The reversal of 231101132100 is 1231101132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 231101132100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385168254 + ... + 385168853.

It is an arithmetic number, because the mean of its divisors is an integer number (18573683604).

Almost surely, 2^231101132100 is an apocalyptic number.

231101132100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231101132100 is an abundant number, since it is smaller than the sum of its proper divisors (437551477644).

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

231101132100 is a wasteful number, since it uses less digits than its factorization.

231101132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770337124 (or 770337117 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231101132100 its reverse (1231101132), we get a palindrome (232332233232).

The spelling of 231101132100 in words is "two hundred thirty-one billion, one hundred one million, one hundred thirty-two thousand, one hundred".