2256131323 has 2 divisors, whose sum is σ = 2256131324. Its totient is φ = 2256131322.

The previous prime is 2256131309. The next prime is 2256131327. The reversal of 2256131323 is 3231316522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2256131323 - 2¹⁷ = 2256000251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2256131291 and 2256131300.

It is not a weakly prime, because it can be changed into another prime (2256131327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128065661 + 1128065662.

It is an arithmetic number, because the mean of its divisors is an integer number (1128065662).

Almost surely, 2^2256131323 is an apocalyptic number.

2256131323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256131323 is an equidigital number, since it uses as much as digits as its factorization.

2256131323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The square root of 2256131323 is about 47498.7507519935. The cubic root of 2256131323 is about 1311.5598851203.

Adding to 2256131323 its reverse (3231316522), we get a palindrome (5487447845).

The spelling of 2256131323 in words is "two billion, two hundred fifty-six million, one hundred thirty-one thousand, three hundred twenty-three".