231981711360 has 672 divisors, whose sum is σ = 885836582400. Its totient is φ = 51791265792.

The previous prime is 231981711301. The next prime is 231981711389. The reversal of 231981711360 is 63117189132.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5394923499 + ... + 5394923541.

It is an arithmetic number, because the mean of its divisors is an integer number (1318209200).

Almost surely, 2^231981711360 is an apocalyptic number.

231981711360 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 231981711360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442918291200).

231981711360 is an abundant number, since it is smaller than the sum of its proper divisors (653854871040).

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

231981711360 is an frugal number, since it uses more digits than its factorization.

231981711360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 231981711360 in words is "two hundred thirty-one billion, nine hundred eighty-one million, seven hundred eleven thousand, three hundred sixty".