2256160231 has 4 divisors (see below), whose sum is σ = 2429711032. Its totient is φ = 2082609432.

The previous prime is 2256160217. The next prime is 2256160243. The reversal of 2256160231 is 1320616522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2256160231 - 2⁷ = 2256160103 is a prime.

It is a super-2 number, since 2×2256160231² = 10180517975891946722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2256160231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256160201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86775381 + ... + 86775406.

It is an arithmetic number, because the mean of its divisors is an integer number (607427758).

Almost surely, 2^2256160231 is an apocalyptic number.

2256160231 is a deficient number, since it is larger than the sum of its proper divisors (173550801).

2256160231 is a wasteful number, since it uses less digits than its factorization.

2256160231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173550800.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2256160231 is about 47499.0550537587. The cubic root of 2256160231 is about 1311.5654868054.

Adding to 2256160231 its reverse (1320616522), we get a palindrome (3576776753).

The spelling of 2256160231 in words is "two billion, two hundred fifty-six million, one hundred sixty thousand, two hundred thirty-one".