231346680 has 64 divisors (see below), whose sum is σ = 696384000. Its totient is φ = 61484160.

The previous prime is 231346651. The next prime is 231346691. The reversal of 231346680 is 86643132.

231346680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34221 + ... + 40419.

It is an arithmetic number, because the mean of its divisors is an integer number (10881000).

Almost surely, 2^231346680 is an apocalyptic number.

231346680 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 231346680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348192000).

231346680 is an abundant number, since it is smaller than the sum of its proper divisors (465037320).

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

231346680 is a wasteful number, since it uses less digits than its factorization.

231346680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524 (or 6520 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 231346680 is about 15210.0848123868. The cubic root of 231346680 is about 613.8860395331.

The spelling of 231346680 in words is "two hundred thirty-one million, three hundred forty-six thousand, six hundred eighty".