231316480 has 44 divisors (see below), whose sum is σ = 554900760. Its totient is φ = 92524544.

The previous prime is 231316457. The next prime is 231316511. The reversal of 231316480 is 84613132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17470 + ... + 27709.

Almost surely, 2^231316480 is an apocalyptic number.

231316480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231316480 is an abundant number, since it is smaller than the sum of its proper divisors (323584280).

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

231316480 is an equidigital number, since it uses as much as digits as its factorization.

231316480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45204 (or 45186 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 231316480 is about 15209.0920176058. The cubic root of 231316480 is about 613.8593261389.

The spelling of 231316480 in words is "two hundred thirty-one million, three hundred sixteen thousand, four hundred eighty".