231929712 has 60 divisors (see below), whose sum is σ = 741810160. Its totient is φ = 66265344.

The previous prime is 231929707. The next prime is 231929741. The reversal of 231929712 is 217929132.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 114037 + ... + 116052.

Almost surely, 2^231929712 is an apocalyptic number.

It is an amenable number.

231929712 is an abundant number, since it is smaller than the sum of its proper divisors (509880448).

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

231929712 is a wasteful number, since it uses less digits than its factorization.

231929712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230110 (or 230101 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 231929712 is about 15229.2387203038. The cubic root of 231929712 is about 614.4013051323.

The spelling of 231929712 in words is "two hundred thirty-one million, nine hundred twenty-nine thousand, seven hundred twelve".