231716632 has 32 divisors (see below), whose sum is σ = 501189120. Its totient is φ = 98376480.

The previous prime is 231716623. The next prime is 231716633. The reversal of 231716632 is 236617132.

It is a junction number, because it is equal to n+sod(n) for n = 231716594 and 231716603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231716633) by changing a digit.

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, 13344 + ... + 25327.

It is an arithmetic number, because the mean of its divisors is an integer number (15662160).

Almost surely, 2^231716632 is an apocalyptic number.

It is an amenable number.

231716632 is an abundant number, since it is smaller than the sum of its proper divisors (269472488).

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

231716632 is a wasteful number, since it uses less digits than its factorization.

231716632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38791 (or 38787 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 231716632 is about 15222.2413592743. The cubic root of 231716632 is about 614.2130918706.

The spelling of 231716632 in words is "two hundred thirty-one million, seven hundred sixteen thousand, six hundred thirty-two".