256312112 has 40 divisors (see below), whose sum is σ = 568299936. Its totient is φ = 109702656.

The previous prime is 256312097. The next prime is 256312117. The reversal of 256312112 is 211213652.

It is not an unprimeable number, because it can be changed into a prime (256312117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159698 + ... + 161294.

Almost surely, 2^256312112 is an apocalyptic number.

It is an amenable number.

256312112 is an abundant number, since it is smaller than the sum of its proper divisors (311987824).

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

256312112 is a wasteful number, since it uses less digits than its factorization.

256312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045 (or 3039 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 256312112 is about 16009.7505289745. The cubic root of 256312112 is about 635.2183612591.

Adding to 256312112 its reverse (211213652), we get a palindrome (467525764).

The spelling of 256312112 in words is "two hundred fifty-six million, three hundred twelve thousand, one hundred twelve".