231132033011220 has 96 divisors (see below), whose sum is σ = 728777600925696. Its totient is φ = 54224523868800.

The previous prime is 231132033011141. The next prime is 231132033011221. The reversal of 231132033011220 is 22110330231132.

231132033011220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231132033011221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5648367444 + ... + 5648408363.

It is an arithmetic number, because the mean of its divisors is an integer number (7591433342976).

Almost surely, 2^{231132033011220} is an apocalyptic number.

231132033011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231132033011220 is an abundant number, since it is smaller than the sum of its proper divisors (497645567914476).

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

231132033011220 is a wasteful number, since it uses less digits than its factorization.

231132033011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11296775861 (or 11296775859 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 231132033011220 its reverse (22110330231132), we get a palindrome (253242363242352).

The spelling of 231132033011220 in words is "two hundred thirty-one trillion, one hundred thirty-two billion, thirty-three million, eleven thousand, two hundred twenty".