231696680 has 16 divisors (see below), whose sum is σ = 521317620. Its totient is φ = 92678656.

The previous prime is 231696649. The next prime is 231696719. The reversal of 231696680 is 86696132.

It can be written as a sum of positive squares in 2 ways, for example, as 212634724 + 19061956 = 14582^2 + 4366^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2896169 + ... + 2896248.

Almost surely, 2^231696680 is an apocalyptic number.

231696680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231696680 is an abundant number, since it is smaller than the sum of its proper divisors (289620940).

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

231696680 is a wasteful number, since it uses less digits than its factorization.

231696680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792428 (or 5792424 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 231696680 is about 15221.5859883259. The cubic root of 231696680 is about 614.1954623903.

The spelling of 231696680 in words is "two hundred thirty-one million, six hundred ninety-six thousand, six hundred eighty".