231444132 has 24 divisors (see below), whose sum is σ = 540286656. Its totient is φ = 77112288.

The previous prime is 231444127. The next prime is 231444151.

231444132 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40993 + ... + 46295.

It is an arithmetic number, because the mean of its divisors is an integer number (22511944).

Almost surely, 2^231444132 is an apocalyptic number.

It is an amenable number.

231444132 is an abundant number, since it is smaller than the sum of its proper divisors (308842524).

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

231444132 is a wasteful number, since it uses less digits than its factorization.

231444132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8947 (or 8945 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 231444132 is about 15213.2880075282. The cubic root of 231444132 is about 613.9722247972.

The spelling of 231444132 in words is "two hundred thirty-one million, four hundred forty-four thousand, one hundred thirty-two".