231485732 has 12 divisors (see below), whose sum is σ = 405296640. Its totient is φ = 115686696.

The previous prime is 231485729. The next prime is 231485741. The reversal of 231485732 is 237584132.

231485732 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231485692 and 231485701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3968 + ... + 21879.

It is an arithmetic number, because the mean of its divisors is an integer number (33774720).

Almost surely, 2^231485732 is an apocalyptic number.

It is an amenable number.

231485732 is a deficient number, since it is larger than the sum of its proper divisors (173810908).

231485732 is a wasteful number, since it uses less digits than its factorization.

231485732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28090 (or 28088 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 231485732 is about 15214.6551719058. The cubic root of 231485732 is about 614.0090079210.

The spelling of 231485732 in words is "two hundred thirty-one million, four hundred eighty-five thousand, seven hundred thirty-two".