231333112032 has 96 divisors (see below), whose sum is σ = 668885817600. Its totient is φ = 69420318720.

The previous prime is 231333111979. The next prime is 231333112033. The reversal of 231333112032 is 230211333132.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 231333111993 and 231333112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231333112033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954657 + ... + 1172192.

It is an arithmetic number, because the mean of its divisors is an integer number (6967560600).

Almost surely, 2^231333112032 is an apocalyptic number.

231333112032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231333112032 is an abundant number, since it is smaller than the sum of its proper divisors (437552705568).

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

231333112032 is a wasteful number, since it uses less digits than its factorization.

231333112032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126976 (or 2126968 counting only the distinct ones).

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

Adding to 231333112032 its reverse (230211333132), we get a palindrome (461544445164).

The spelling of 231333112032 in words is "two hundred thirty-one billion, three hundred thirty-three million, one hundred twelve thousand, thirty-two".