320322455013 has 64 divisors (see below), whose sum is σ = 495427000320. Its totient is φ = 182223417600.

The previous prime is 320322454999. The next prime is 320322455029. The reversal of 320322455013 is 310554223023.

It is not a de Polignac number, because 320322455013 - 2⁴ = 320322454997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320322455513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53500006 + ... + 53505992.

It is an arithmetic number, because the mean of its divisors is an integer number (7741046880).

Almost surely, 2^320322455013 is an apocalyptic number.

320322455013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

320322455013 is a deficient number, since it is larger than the sum of its proper divisors (175104545307).

320322455013 is a wasteful number, since it uses less digits than its factorization.

320322455013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 320322455013 its reverse (310554223023), we get a palindrome (630876678036).

The spelling of 320322455013 in words is "three hundred twenty billion, three hundred twenty-two million, four hundred fifty-five thousand, thirteen".