231941680 has 20 divisors (see below), whose sum is σ = 539264592. Its totient is φ = 92776640.

The previous prime is 231941669. The next prime is 231941711. The reversal of 231941680 is 86149132.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449556 + ... + 1449715.

Almost surely, 2^231941680 is an apocalyptic number.

231941680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231941680 is an abundant number, since it is smaller than the sum of its proper divisors (307322912).

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

231941680 is a wasteful number, since it uses less digits than its factorization.

231941680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899284 (or 2899278 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 231941680 is about 15229.6316436085. The cubic root of 231941680 is about 614.4118730299.

The spelling of 231941680 in words is "two hundred thirty-one million, nine hundred forty-one thousand, six hundred eighty".