231751456160 has 96 divisors (see below), whose sum is σ = 627015271680. Its totient is φ = 79294298112.

The previous prime is 231751456091. The next prime is 231751456169. The reversal of 231751456160 is 61654157132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (231751456169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332996 + ... + 757884.

It is an arithmetic number, because the mean of its divisors is an integer number (6531409080).

Almost surely, 2^231751456160 is an apocalyptic number.

231751456160 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 231751456160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313507635840).

231751456160 is an abundant number, since it is smaller than the sum of its proper divisors (395263815520).

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

231751456160 is a wasteful number, since it uses less digits than its factorization.

231751456160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425398 (or 425390 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 231751456160 in words is "two hundred thirty-one billion, seven hundred fifty-one million, four hundred fifty-six thousand, one hundred sixty".