231206160 has 160 divisors (see below), whose sum is σ = 742809600. Its totient is φ = 59457024.

The previous prime is 231206159. The next prime is 231206179. The reversal of 231206160 is 61602132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1161741 + ... + 1161939.

It is an arithmetic number, because the mean of its divisors is an integer number (4642560).

Almost surely, 2^231206160 is an apocalyptic number.

231206160 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 231206160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371404800).

231206160 is an abundant number, since it is smaller than the sum of its proper divisors (511603440).

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

231206160 is a wasteful number, since it uses less digits than its factorization.

231206160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 231206160 is about 15205.4648071014. The cubic root of 231206160 is about 613.7617228761.

Adding to 231206160 its reverse (61602132), we get a palindrome (292808292).

The spelling of 231206160 in words is "two hundred thirty-one million, two hundred six thousand, one hundred sixty".