231427732 has 36 divisors (see below), whose sum is σ = 434476224. Its totient is φ = 107831680.

The previous prime is 231427723. The next prime is 231427747. The reversal of 231427732 is 237724132.

Its product of digits (14112) is a multiple of the sum of its prime factors (2016).

It is a junction number, because it is equal to n+sod(n) for n = 231427694 and 231427703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122757 + ... + 124627.

It is an arithmetic number, because the mean of its divisors is an integer number (12068784).

Almost surely, 2^231427732 is an apocalyptic number.

It is an amenable number.

231427732 is a deficient number, since it is larger than the sum of its proper divisors (203048492).

231427732 is a wasteful number, since it uses less digits than its factorization.

231427732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 1997 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 231427732 is about 15212.7489954972. The cubic root of 231427732 is about 613.9577225468.

The spelling of 231427732 in words is "two hundred thirty-one million, four hundred twenty-seven thousand, seven hundred thirty-two".