231085788600 has 96 divisors (see below), whose sum is σ = 747512334720. Its totient is φ = 58943617920.

The previous prime is 231085788599. The next prime is 231085788643. The reversal of 231085788600 is 6887580132.

It is a self number, because there is not a number n which added to its sum of digits gives 231085788600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8358874 + ... + 8386473.

It is an arithmetic number, because the mean of its divisors is an integer number (7786586820).

Almost surely, 2^231085788600 is an apocalyptic number.

231085788600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231085788600 is an abundant number, since it is smaller than the sum of its proper divisors (516426546120).

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

231085788600 is a wasteful number, since it uses less digits than its factorization.

231085788600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16745389 (or 16745380 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 231085788600 in words is "two hundred thirty-one billion, eighty-five million, seven hundred eighty-eight thousand, six hundred".