311310021312299 has 2 divisors, whose sum is σ = 311310021312300. Its totient is φ = 311310021312298.

The previous prime is 311310021312281. The next prime is 311310021312347. The reversal of 311310021312299 is 992213120013113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311310021312299 is a prime.

It is not a weakly prime, because it can be changed into another prime (311310021315299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155655010656149 + 155655010656150.

It is an arithmetic number, because the mean of its divisors is an integer number (155655010656150).

Almost surely, 2^{311310021312299} is an apocalyptic number.

311310021312299 is a deficient number, since it is larger than the sum of its proper divisors (1).

311310021312299 is an equidigital number, since it uses as much as digits as its factorization.

311310021312299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 311310021312299 in words is "three hundred eleven trillion, three hundred ten billion, twenty-one million, three hundred twelve thousand, two hundred ninety-nine".