100331231120 has 40 divisors (see below), whose sum is σ = 243412295616. Its totient is φ = 38387600768.

The previous prime is 100331231053. The next prime is 100331231123. The reversal of 100331231120 is 21132133001.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (100331231123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27262082 + ... + 27265761.

Almost surely, 2^100331231120 is an apocalyptic number.

100331231120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100331231120 is an abundant number, since it is smaller than the sum of its proper divisors (143081064496).

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

100331231120 is a wasteful number, since it uses less digits than its factorization.

100331231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54527879 (or 54527873 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100331231120 its reverse (21132133001), we get a palindrome (121463364121).

The spelling of 100331231120 in words is "one hundred billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred twenty".