231087552 has 28 divisors (see below), whose sum is σ = 611419656. Its totient is φ = 77029120.

The previous prime is 231087539. The next prime is 231087629. The reversal of 231087552 is 255780132.

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 3 ways as a sum of consecutive naturals, for example, 601599 + ... + 601982.

Almost surely, 2^231087552 is an apocalyptic number.

It is an amenable number.

231087552 is an abundant number, since it is smaller than the sum of its proper divisors (380332104).

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

231087552 is a wasteful number, since it uses less digits than its factorization.

231087552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203596 (or 1203586 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 231087552 is about 15201.5641300492. The cubic root of 231087552 is about 613.6567523421.

The spelling of 231087552 in words is "two hundred thirty-one million, eighty-seven thousand, five hundred fifty-two".