231333121100 has 36 divisors (see below), whose sum is σ = 512673582624. Its totient is φ = 90564454080.

The previous prime is 231333121099. The next prime is 231333121139. The reversal of 231333121100 is 1121333132.

231333121100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24605207 + ... + 24614606.

Almost surely, 2^231333121100 is an apocalyptic number.

231333121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231333121100 is an abundant number, since it is smaller than the sum of its proper divisors (281340461524).

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

231333121100 is a wasteful number, since it uses less digits than its factorization.

231333121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49219874 (or 49219867 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 231333121100 its reverse (1121333132), we get a palindrome (232454454232).

The spelling of 231333121100 in words is "two hundred thirty-one billion, three hundred thirty-three million, one hundred twenty-one thousand, one hundred".