231933044 has 24 divisors (see below), whose sum is σ = 464237760. Its totient is φ = 99320256.

The previous prime is 231933017. The next prime is 231933059. The reversal of 231933044 is 440339132.

It is a junction number, because it is equal to n+sod(n) for n = 231932998 and 231933016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44192 + ... + 49160.

It is an arithmetic number, because the mean of its divisors is an integer number (19343240).

Almost surely, 2^231933044 is an apocalyptic number.

It is an amenable number.

231933044 is an abundant number, since it is smaller than the sum of its proper divisors (232304716).

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

231933044 is a wasteful number, since it uses less digits than its factorization.

231933044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6647 (or 6645 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 231933044 is about 15229.3481147421. The cubic root of 231933044 is about 614.4042473676.

The spelling of 231933044 in words is "two hundred thirty-one million, nine hundred thirty-three thousand, forty-four".