231068880 has 360 divisors, whose sum is σ = 943368192. Its totient is φ = 49641984.

The previous prime is 231068857. The next prime is 231068881. The reversal of 231068880 is 88860132.

231068880 is digitally balanced in base 2 and base 3, because in such bases 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 (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231068881) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1819377 + ... + 1819503.

Almost surely, 2^231068880 is an apocalyptic number.

231068880 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 231068880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471684096).

231068880 is an abundant number, since it is smaller than the sum of its proper divisors (712299312).

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

231068880 is a wasteful number, since it uses less digits than its factorization.

231068880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 231068880 is about 15200.9499703144. The cubic root of 231068880 is about 613.6402239637.

The spelling of 231068880 in words is "two hundred thirty-one million, sixty-eight thousand, eight hundred eighty".