311456727654113 has 4 divisors (see below), whose sum is σ = 311758234651908. Its totient is φ = 311155220656320.

The previous prime is 311456727654097. The next prime is 311456727654197.

311456727654113 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 139589688076864 + 171867039577249 = 11814808^2 + 13109807^2 .

It is a cyclic number.

It is not a de Polignac number, because 311456727654113 - 2⁴ = 311456727654097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311456727654613) 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, 150753497348 + ... + 150753499413.

It is an arithmetic number, because the mean of its divisors is an integer number (77939558662977).

Almost surely, 2^{311456727654113} is an apocalyptic number.

It is an amenable number.

311456727654113 is a deficient number, since it is larger than the sum of its proper divisors (301506997795).

311456727654113 is a wasteful number, since it uses less digits than its factorization.

311456727654113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301506997794.

The product of its digits is 12700800, while the sum is 56.

The spelling of 311456727654113 in words is "three hundred eleven trillion, four hundred fifty-six billion, seven hundred twenty-seven million, six hundred fifty-four thousand, one hundred thirteen".