231526328 has 32 divisors (see below), whose sum is σ = 475686000. Its totient is φ = 104770560.

The previous prime is 231526307. The next prime is 231526333. The reversal of 231526328 is 823625132.

It is a junction number, because it is equal to n+sod(n) for n = 231526294 and 231526303.

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 in 7 ways as a sum of consecutive naturals, for example, 14408 + ... + 25896.

Almost surely, 2^231526328 is an apocalyptic number.

It is an amenable number.

231526328 is an abundant number, since it is smaller than the sum of its proper divisors (244159672).

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

231526328 is a wasteful number, since it uses less digits than its factorization.

231526328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11735 (or 11731 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 231526328 is about 15215.9892218679. The cubic root of 231526328 is about 614.0448990498.

The spelling of 231526328 in words is "two hundred thirty-one million, five hundred twenty-six thousand, three hundred twenty-eight".