231031480 has 32 divisors (see below), whose sum is σ = 521060400. Its totient is φ = 92192256.

The previous prime is 231031453. The next prime is 231031531. The reversal of 231031480 is 84130132.

It is a super-3 number, since 3×231031480³ (a number of 26 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 10651 + ... + 23989.

Almost surely, 2^231031480 is an apocalyptic number.

231031480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231031480 is an abundant number, since it is smaller than the sum of its proper divisors (290028920).

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

231031480 is a wasteful number, since it uses less digits than its factorization.

231031480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13783 (or 13779 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 231031480 is about 15199.7197342583. The cubic root of 231031480 is about 613.6071149579.

The spelling of 231031480 in words is "two hundred thirty-one million, thirty-one thousand, four hundred eighty".