321013302013 has 2 divisors, whose sum is σ = 321013302014. Its totient is φ = 321013302012.

The previous prime is 321013302011. The next prime is 321013302019. The reversal of 321013302013 is 310203310123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298698320089 + 22314981924 = 546533^2 + 149382^2 .

It is a cyclic number.

It is not a de Polignac number, because 321013302013 - 2¹ = 321013302011 is a prime.

Together with 321013302011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321013302011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160506651006 + 160506651007.

It is an arithmetic number, because the mean of its divisors is an integer number (160506651007).

Almost surely, 2^321013302013 is an apocalyptic number.

It is an amenable number.

321013302013 is a deficient number, since it is larger than the sum of its proper divisors (1).

321013302013 is an equidigital number, since it uses as much as digits as its factorization.

321013302013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 321013302013 its reverse (310203310123), we get a palindrome (631216612136).

The spelling of 321013302013 in words is "three hundred twenty-one billion, thirteen million, three hundred two thousand, thirteen".