231166244 has 6 divisors (see below), whose sum is σ = 404540934. Its totient is φ = 115583120.

The previous prime is 231166223. The next prime is 231166259. The reversal of 231166244 is 442661132.

It can be written as a sum of positive squares in only one way, i.e., 217916644 + 13249600 = 14762^2 + 3640^2 .

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 as a sum of consecutive naturals, namely, 28895777 + ... + 28895784.

It is an arithmetic number, because the mean of its divisors is an integer number (67423489).

Almost surely, 2^231166244 is an apocalyptic number.

It is an amenable number.

231166244 is a deficient number, since it is larger than the sum of its proper divisors (173374690).

231166244 is a wasteful number, since it uses less digits than its factorization.

231166244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57791565 (or 57791563 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 231166244 is about 15204.1521960286. The cubic root of 231166244 is about 613.7264003989.

The spelling of 231166244 in words is "two hundred thirty-one million, one hundred sixty-six thousand, two hundred forty-four".