231066732 has 24 divisors (see below), whose sum is σ = 580629616. Its totient is φ = 71097408.

The previous prime is 231066727. The next prime is 231066749. The reversal of 231066732 is 237660132.

231066732 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 231066732.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740443 + ... + 740754.

Almost surely, 2^231066732 is an apocalyptic number.

It is an amenable number.

231066732 is an abundant number, since it is smaller than the sum of its proper divisors (349562884).

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

231066732 is a wasteful number, since it uses less digits than its factorization.

231066732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481217 (or 1481215 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 231066732 is about 15200.8793166711. The cubic root of 231066732 is about 613.6383225058.

The spelling of 231066732 in words is "two hundred thirty-one million, sixty-six thousand, seven hundred thirty-two".