231063978900000 has 144 divisors (see below), whose sum is σ = 758130158314368. Its totient is φ = 61617060960000.

The previous prime is 231063978899989. The next prime is 231063978900043. The reversal of 231063978900000 is 9879360132.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 384806632 + ... + 385406631.

It is an arithmetic number, because the mean of its divisors is an integer number (5264792766072).

Almost surely, 2^{231063978900000} is an apocalyptic number.

231063978900000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231063978900000 is an abundant number, since it is smaller than the sum of its proper divisors (527066179414368).

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

231063978900000 is an frugal number, since it uses more digits than its factorization.

231063978900000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770213301 (or 770213273 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 231063978900000 in words is "two hundred thirty-one trillion, sixty-three billion, nine hundred seventy-eight million, nine hundred thousand".