2256311013 has 16 divisors (see below), whose sum is σ = 3314405952. Its totient is φ = 1353920000.

The previous prime is 2256311003. The next prime is 2256311053. The reversal of 2256311013 is 3101136522.

2256311013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2256311013 - 2¹² = 2256306917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256311003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335148 + ... + 341813.

It is an arithmetic number, because the mean of its divisors is an integer number (207150372).

Almost surely, 2^2256311013 is an apocalyptic number.

It is an amenable number.

2256311013 is a deficient number, since it is larger than the sum of its proper divisors (1058094939).

2256311013 is a wasteful number, since it uses less digits than its factorization.

2256311013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677076.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2256311013 is about 47500.6422377635. The cubic root of 2256311013 is about 1311.5947040065.

Adding to 2256311013 its reverse (3101136522), we get a palindrome (5357447535).

The spelling of 2256311013 in words is "two billion, two hundred fifty-six million, three hundred eleven thousand, thirteen".