231547680000 has 2880 divisors, whose sum is σ = 1144273715200. Its totient is φ = 44789760000.

The previous prime is 231547679999. The next prime is 231547680017. The reversal of 231547680000 is 86745132.

231547680000 is a `hidden beast` number, since 2 + 31 + 547 + 6 + 80 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a super-2 number, since 2×231547680000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 7469279985 + ... + 7469280015.

Almost surely, 2^231547680000 is an apocalyptic number.

231547680000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231547680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572136857600).

231547680000 is an abundant number, since it is smaller than the sum of its proper divisors (912726035200).

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

231547680000 is a wasteful number, since it uses less digits than its factorization.

231547680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 231547680000 in words is "two hundred thirty-one billion, five hundred forty-seven million, six hundred eighty thousand".