231007680 has 112 divisors (see below), whose sum is σ = 814974240. Its totient is φ = 61599744.

The previous prime is 231007669. The next prime is 231007703. The reversal of 231007680 is 86700132.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4729 + ... + 22008.

Almost surely, 2^231007680 is an apocalyptic number.

231007680 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 231007680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407487120).

231007680 is an abundant number, since it is smaller than the sum of its proper divisors (583966560).

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

231007680 is a wasteful number, since it uses less digits than its factorization.

231007680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26763 (or 26747 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 231007680 is about 15198.9368049216. The cubic root of 231007680 is about 613.5860437301.

The spelling of 231007680 in words is "two hundred thirty-one million, seven thousand, six hundred eighty".