320021322113263 has 2 divisors, whose sum is σ = 320021322113264. Its totient is φ = 320021322113262.

The previous prime is 320021322113201. The next prime is 320021322113279. The reversal of 320021322113263 is 362311223120023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320021322113263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320021322113063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160010661056631 + 160010661056632.

It is an arithmetic number, because the mean of its divisors is an integer number (160010661056632).

Almost surely, 2^{320021322113263} is an apocalyptic number.

320021322113263 is a deficient number, since it is larger than the sum of its proper divisors (1).

320021322113263 is an equidigital number, since it uses as much as digits as its factorization.

320021322113263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 320021322113263 its reverse (362311223120023), we get a palindrome (682332545233286).

The spelling of 320021322113263 in words is "three hundred twenty trillion, twenty-one billion, three hundred twenty-two million, one hundred thirteen thousand, two hundred sixty-three".