2331356256 has 120 divisors (see below), whose sum is σ = 6876616824. Its totient is φ = 774835200.

The previous prime is 2331356249. The next prime is 2331356257. The reversal of 2331356256 is 6526531332.

2331356256 is a `hidden beast` number, since 2 + 33 + 13 + 562 + 56 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2331356256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331356257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1038271 + ... + 1040513.

Almost surely, 2^2331356256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2331356256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3438308412).

2331356256 is an abundant number, since it is smaller than the sum of its proper divisors (4545260568).

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

2331356256 is a wasteful number, since it uses less digits than its factorization.

2331356256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666 (or 2649 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 2331356256 is about 48284.1201224585. The cubic root of 2331356256 is about 1325.9776823090.

Adding to 2331356256 its reverse (6526531332), we get a palindrome (8857887588).

The spelling of 2331356256 in words is "two billion, three hundred thirty-one million, three hundred fifty-six thousand, two hundred fifty-six".