320210305313 has 2 divisors, whose sum is σ = 320210305314. Its totient is φ = 320210305312.

The previous prime is 320210305243. The next prime is 320210305339. The reversal of 320210305313 is 313503012023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190298357824 + 129911947489 = 436232^2 + 360433^2 .

It is a cyclic number.

It is not a de Polignac number, because 320210305313 - 2¹⁶ = 320210239777 is a prime.

It is not a weakly prime, because it can be changed into another prime (320210305013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160105152656 + 160105152657.

It is an arithmetic number, because the mean of its divisors is an integer number (160105152657).

Almost surely, 2^320210305313 is an apocalyptic number.

It is an amenable number.

320210305313 is a deficient number, since it is larger than the sum of its proper divisors (1).

320210305313 is an equidigital number, since it uses as much as digits as its factorization.

320210305313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 23.

Adding to 320210305313 its reverse (313503012023), we get a palindrome (633713317336).

The spelling of 320210305313 in words is "three hundred twenty billion, two hundred ten million, three hundred five thousand, three hundred thirteen".