231233133120 has 112 divisors (see below), whose sum is σ = 800907524928. Its totient is φ = 56056514560.

The previous prime is 231233133113. The next prime is 231233133121. The reversal of 231233133120 is 21331332132.

231233133120 is digitally balanced in base 3, 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 (24).

It is not an unprimeable number, because it can be changed into a prime (231233133121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10937979 + ... + 10959098.

It is an arithmetic number, because the mean of its divisors is an integer number (7150960044).

Almost surely, 2^231233133120 is an apocalyptic number.

231233133120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231233133120 is an abundant number, since it is smaller than the sum of its proper divisors (569674391808).

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

231233133120 is a wasteful number, since it uses less digits than its factorization.

231233133120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21897108 (or 21897098 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 231233133120 its reverse (21331332132), we get a palindrome (252564465252).

The spelling of 231233133120 in words is "two hundred thirty-one billion, two hundred thirty-three million, one hundred thirty-three thousand, one hundred twenty".