313320333377 has 2 divisors, whose sum is σ = 313320333378. Its totient is φ = 313320333376.

The previous prime is 313320333299. The next prime is 313320333379. The reversal of 313320333377 is 773333023313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311560446976 + 1759886401 = 558176^2 + 41951^2 .

It is an emirp because it is prime and its reverse (773333023313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313320333377 - 2¹⁴ = 313320316993 is a prime.

Together with 313320333379, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313320333377.

It is not a weakly prime, because it can be changed into another prime (313320333379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156660166688 + 156660166689.

It is an arithmetic number, because the mean of its divisors is an integer number (156660166689).

Almost surely, 2^313320333377 is an apocalyptic number.

It is an amenable number.

313320333377 is a deficient number, since it is larger than the sum of its proper divisors (1).

313320333377 is an equidigital number, since it uses as much as digits as its factorization.

313320333377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 38.

The spelling of 313320333377 in words is "three hundred thirteen billion, three hundred twenty million, three hundred thirty-three thousand, three hundred seventy-seven".