231119280 has 180 divisors, whose sum is σ = 903035952. Its totient is φ = 52819200.

The previous prime is 231119269. The next prime is 231119297. The reversal of 231119280 is 82911132.

231119280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (180).

It is a super-2 number, since 2×231119280² = 106832243175436800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32005 + ... + 38555.

Almost surely, 2^231119280 is an apocalyptic number.

231119280 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 231119280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451517976).

231119280 is an abundant number, since it is smaller than the sum of its proper divisors (671916672).

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

231119280 is a wasteful number, since it uses less digits than its factorization.

231119280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6584 (or 6568 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 231119280 is about 15202.6076710543. The cubic root of 231119280 is about 613.6848357969.

The spelling of 231119280 in words is "two hundred thirty-one million, one hundred nineteen thousand, two hundred eighty".