313221022319 has 2 divisors, whose sum is σ = 313221022320. Its totient is φ = 313221022318.

The previous prime is 313221022307. The next prime is 313221022339. The reversal of 313221022319 is 913220122313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313221022319 - 2⁸ = 313221022063 is a prime.

It is a super-2 number, since 2×313221022319² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 313221022291 and 313221022300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313221022339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156610511159 + 156610511160.

It is an arithmetic number, because the mean of its divisors is an integer number (156610511160).

Almost surely, 2^313221022319 is an apocalyptic number.

313221022319 is a deficient number, since it is larger than the sum of its proper divisors (1).

313221022319 is an equidigital number, since it uses as much as digits as its factorization.

313221022319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 313221022319 in words is "three hundred thirteen billion, two hundred twenty-one million, twenty-two thousand, three hundred nineteen".