311326454347 has 2 divisors, whose sum is σ = 311326454348. Its totient is φ = 311326454346.

The previous prime is 311326454339. The next prime is 311326454357. The reversal of 311326454347 is 743454623113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311326454347 - 2³ = 311326454339 is a prime.

It is a super-2 number, since 2×311326454347² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311326454357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155663227173 + 155663227174.

It is an arithmetic number, because the mean of its divisors is an integer number (155663227174).

Almost surely, 2^311326454347 is an apocalyptic number.

311326454347 is a deficient number, since it is larger than the sum of its proper divisors (1).

311326454347 is an equidigital number, since it uses as much as digits as its factorization.

311326454347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 43.

The spelling of 311326454347 in words is "three hundred eleven billion, three hundred twenty-six million, four hundred fifty-four thousand, three hundred forty-seven".