231046421188 has 96 divisors (see below), whose sum is σ = 460794821760. Its totient is φ = 100405616640.

The previous prime is 231046421171. The next prime is 231046421219. The reversal of 231046421188 is 881124640132.

231046421188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231046421188.

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 31 ways as a sum of consecutive naturals, for example, 55900770 + ... + 55904902.

It is an arithmetic number, because the mean of its divisors is an integer number (4799946060).

Almost surely, 2^231046421188 is an apocalyptic number.

It is an amenable number.

231046421188 is a deficient number, since it is larger than the sum of its proper divisors (229748400572).

231046421188 is a wasteful number, since it uses less digits than its factorization.

231046421188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 231046421188 in words is "two hundred thirty-one billion, forty-six million, four hundred twenty-one thousand, one hundred eighty-eight".