231083797728 has 96 divisors (see below), whose sum is σ = 707399481600. Its totient is φ = 66023932800.

The previous prime is 231083797663. The next prime is 231083797733. The reversal of 231083797728 is 827797380132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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, 3475998 + ... + 3541853.

It is an arithmetic number, because the mean of its divisors is an integer number (7368744600).

Almost surely, 2^231083797728 is an apocalyptic number.

231083797728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

231083797728 is an abundant number, since it is smaller than the sum of its proper divisors (476315683872).

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

231083797728 is an equidigital number, since it uses as much as digits as its factorization.

231083797728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017885 (or 7017863 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 231083797728 in words is "two hundred thirty-one billion, eighty-three million, seven hundred ninety-seven thousand, seven hundred twenty-eight".