3231112331988 has 72 divisors (see below), whose sum is σ = 8434622818440. Its totient is φ = 1042138586880.

The previous prime is 3231112331983. The next prime is 3231112331989. The reversal of 3231112331988 is 8891332111323.

3231112331988 is a `hidden beast` number, since 3 + 2 + 311 + 12 + 3 + 319 + 8 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1131389614224 + 2099722717764 = 1063668^2 + 1449042^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231112331983) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6459903 + ... + 6942086.

It is an arithmetic number, because the mean of its divisors is an integer number (117147539145).

Almost surely, 2^{3231112331988} is an apocalyptic number.

It is an amenable number.

3231112331988 is an abundant number, since it is smaller than the sum of its proper divisors (5203510486452).

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

3231112331988 is a wasteful number, since it uses less digits than its factorization.

3231112331988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13402217 (or 13402212 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The spelling of 3231112331988 in words is "three trillion, two hundred thirty-one billion, one hundred twelve million, three hundred thirty-one thousand, nine hundred eighty-eight".