231078960 has 640 divisors, whose sum is σ = 1028505600. Its totient is φ = 46448640.

The previous prime is 231078941. The next prime is 231078961. The reversal of 231078960 is 69870132.

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

It is not an unprimeable number, because it can be changed into a prime (231078961) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7454145 + ... + 7454175.

It is an arithmetic number, because the mean of its divisors is an integer number (1607040).

Almost surely, 2^231078960 is an apocalyptic number.

231078960 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 231078960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514252800).

231078960 is an abundant number, since it is smaller than the sum of its proper divisors (797426640).

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

231078960 is a wasteful number, since it uses less digits than its factorization.

231078960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 231078960 is about 15201.2815249241. The cubic root of 231078960 is about 613.6491468493.

The spelling of 231078960 in words is "two hundred thirty-one million, seventy-eight thousand, nine hundred sixty".