2160305231 has 16 divisors (see below), whose sum is σ = 2482944000. Its totient is φ = 1841205600.

The previous prime is 2160305221. The next prime is 2160305267. The reversal of 2160305231 is 1325030612.

It is a cyclic number.

It is not a de Polignac number, because 2160305231 - 2⁶ = 2160305167 is a prime.

It is a super-2 number, since 2×2160305231² = 9333837382171926722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2160305197 and 2160305206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160305221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1106306 + ... + 1108256.

It is an arithmetic number, because the mean of its divisors is an integer number (155184000).

Almost surely, 2^2160305231 is an apocalyptic number.

2160305231 is a deficient number, since it is larger than the sum of its proper divisors (322638769).

2160305231 is a wasteful number, since it uses less digits than its factorization.

2160305231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2160305231 is about 46479.0838012111. The cubic root of 2160305231 is about 1292.7217000638.

Adding to 2160305231 its reverse (1325030612), we get a palindrome (3485335843).

The spelling of 2160305231 in words is "two billion, one hundred sixty million, three hundred five thousand, two hundred thirty-one".