231060720 has 80 divisors (see below), whose sum is σ = 781414272. Its totient is φ = 56014080.

The previous prime is 231060677. The next prime is 231060743. The reversal of 231060720 is 27060132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41122 + ... + 46401.

Almost surely, 2^231060720 is an apocalyptic number.

231060720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231060720 is an abundant number, since it is smaller than the sum of its proper divisors (550353552).

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

231060720 is a wasteful number, since it uses less digits than its factorization.

231060720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87550 (or 87544 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 231060720 is about 15200.6815636668. The cubic root of 231060720 is about 613.6330004854.

The spelling of 231060720 in words is "two hundred thirty-one million, sixty thousand, seven hundred twenty".