313221022339 has 2 divisors, whose sum is σ = 313221022340. Its totient is φ = 313221022338.

The previous prime is 313221022319. The next prime is 313221022351. The reversal of 313221022339 is 933220122313.

It is a strong prime.

It is an emirp because it is prime and its reverse (933220122313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313221022339 - 2⁵ = 313221022307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313221022339.

It is not a weakly prime, because it can be changed into another prime (313221022319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156610511169 + 156610511170.

It is an arithmetic number, because the mean of its divisors is an integer number (156610511170).

Almost surely, 2^313221022339 is an apocalyptic number.

313221022339 is a deficient number, since it is larger than the sum of its proper divisors (1).

313221022339 is an equidigital number, since it uses as much as digits as its factorization.

313221022339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 313221022339 in words is "three hundred thirteen billion, two hundred twenty-one million, twenty-two thousand, three hundred thirty-nine".