2256335310431 has 2 divisors, whose sum is σ = 2256335310432. Its totient is φ = 2256335310430.

The previous prime is 2256335310413. The next prime is 2256335310473. The reversal of 2256335310431 is 1340135336522.

Together with previous prime (2256335310413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2256335310431 - 2⁶ = 2256335310367 is a prime.

It is a super-2 number, since 2×2256335310431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256335310631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128167655215 + 1128167655216.

It is an arithmetic number, because the mean of its divisors is an integer number (1128167655216).

Almost surely, 2^{2256335310431} is an apocalyptic number.

2256335310431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256335310431 is an equidigital number, since it uses as much as digits as its factorization.

2256335310431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 2256335310431 in words is "two trillion, two hundred fifty-six billion, three hundred thirty-five million, three hundred ten thousand, four hundred thirty-one".