231330101100 has 72 divisors (see below), whose sum is σ = 764931541248. Its totient is φ = 52875451200.

The previous prime is 231330101071. The next prime is 231330101173. The reversal of 231330101100 is 1101033132.

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 231330101100.

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, 55076496 + ... + 55080695.

It is an arithmetic number, because the mean of its divisors is an integer number (10624049184).

Almost surely, 2^231330101100 is an apocalyptic number.

231330101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231330101100 is an abundant number, since it is smaller than the sum of its proper divisors (533601440148).

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

231330101100 is a wasteful number, since it uses less digits than its factorization.

231330101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110157215 (or 110157208 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 231330101100 its reverse (1101033132), we get a palindrome (232431134232).

The spelling of 231330101100 in words is "two hundred thirty-one billion, three hundred thirty million, one hundred one thousand, one hundred".