231160252 has 6 divisors (see below), whose sum is σ = 404530448. Its totient is φ = 115580124.

The previous prime is 231160219. The next prime is 231160277. The reversal of 231160252 is 252061132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28895028 + ... + 28895035.

Almost surely, 2^231160252 is an apocalyptic number.

It is an amenable number.

231160252 is a deficient number, since it is larger than the sum of its proper divisors (173370196).

231160252 is a wasteful number, since it uses less digits than its factorization.

231160252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57790067 (or 57790065 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 231160252 is about 15203.9551433171. The cubic root of 231160252 is about 613.7210976057.

The spelling of 231160252 in words is "two hundred thirty-one million, one hundred sixty thousand, two hundred fifty-two".