231057532 has 6 divisors (see below), whose sum is σ = 404350688. Its totient is φ = 115528764.

The previous prime is 231057503. The next prime is 231057551. The reversal of 231057532 is 235750132.

231057532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231057532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28882188 + ... + 28882195.

Almost surely, 2^231057532 is an apocalyptic number.

It is an amenable number.

231057532 is a deficient number, since it is larger than the sum of its proper divisors (173293156).

231057532 is a wasteful number, since it uses less digits than its factorization.

231057532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57764387 (or 57764385 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 231057532 is about 15200.5766995861. The cubic root of 231057532 is about 613.6301783253.

The spelling of 231057532 in words is "two hundred thirty-one million, fifty-seven thousand, five hundred thirty-two".