231476697280 has 28 divisors (see below), whose sum is σ = 551203886160. Its totient is φ = 92590678784.

The previous prime is 231476697251. The next prime is 231476697299. The reversal of 231476697280 is 82796674132.

It is a super-2 number, since 2×231476697280² (a number of 24 digits) contains 22 as substring.

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, 361682020 + ... + 361682659.

Almost surely, 2^231476697280 is an apocalyptic number.

231476697280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231476697280 is an abundant number, since it is smaller than the sum of its proper divisors (319727188880).

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

231476697280 is an equidigital number, since it uses as much as digits as its factorization.

231476697280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723364696 (or 723364686 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 231476697280 in words is "two hundred thirty-one billion, four hundred seventy-six million, six hundred ninety-seven thousand, two hundred eighty".