231840443016 has 96 divisors (see below), whose sum is σ = 772801498560. Its totient is φ = 61144730496.

The previous prime is 231840442997. The next prime is 231840443017. The reversal of 231840443016 is 610344048132.

231840443016 is a `hidden beast` number, since 23 + 184 + 0 + 443 + 0 + 16 = 666.

231840443016 is digitally balanced in base 2, 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 (36).

It is not an unprimeable number, because it can be changed into a prime (231840443017) 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, 17685790 + ... + 17698893.

It is an arithmetic number, because the mean of its divisors is an integer number (8050015610).

Almost surely, 2^231840443016 is an apocalyptic number.

231840443016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

231840443016 is an abundant number, since it is smaller than the sum of its proper divisors (540961055544).

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

231840443016 is a wasteful number, since it uses less digits than its factorization.

231840443016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35384715 (or 35384708 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 231840443016 in words is "two hundred thirty-one billion, eight hundred forty million, four hundred forty-three thousand, sixteen".