316256056431311 has 4 divisors (see below), whose sum is σ = 319157488141800. Its totient is φ = 313354624720824.

The previous prime is 316256056431283. The next prime is 316256056431319. The reversal of 316256056431311 is 113134650652613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 316256056431311 - 2²⁶ = 316255989322447 is a prime.

It is a super-2 number, since 2×316256056431311² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316256056431319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1450715855081 + ... + 1450715855298.

It is an arithmetic number, because the mean of its divisors is an integer number (79789372035450).

Almost surely, 2^{316256056431311} is an apocalyptic number.

316256056431311 is a deficient number, since it is larger than the sum of its proper divisors (2901431710489).

316256056431311 is a wasteful number, since it uses less digits than its factorization.

316256056431311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901431710488.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 316256056431311 in words is "three hundred sixteen trillion, two hundred fifty-six billion, fifty-six million, four hundred thirty-one thousand, three hundred eleven".