231044440132 has 12 divisors (see below), whose sum is σ = 441084840336. Its totient is φ = 105020200040.

The previous prime is 231044440117. The next prime is 231044440141.

231044440132 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 231044440132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625504958 + ... + 2625505045.

It is an arithmetic number, because the mean of its divisors is an integer number (36757070028).

Almost surely, 2^231044440132 is an apocalyptic number.

231044440132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231044440132 is a deficient number, since it is larger than the sum of its proper divisors (210040400204).

231044440132 is a wasteful number, since it uses less digits than its factorization.

231044440132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251010018 (or 5251010016 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 231044 and 440132, that added together give a palindrome (671176).

The spelling of 231044440132 in words is "two hundred thirty-one billion, forty-four million, four hundred forty thousand, one hundred thirty-two".