321133300013 has 2 divisors, whose sum is σ = 321133300014. Its totient is φ = 321133300012.

The previous prime is 321133299961. The next prime is 321133300049. The reversal of 321133300013 is 310003331123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285494656489 + 35638643524 = 534317^2 + 188782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321133300013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321133300063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160566650006 + 160566650007.

It is an arithmetic number, because the mean of its divisors is an integer number (160566650007).

Almost surely, 2^321133300013 is an apocalyptic number.

It is an amenable number.

321133300013 is a deficient number, since it is larger than the sum of its proper divisors (1).

321133300013 is an equidigital number, since it uses as much as digits as its factorization.

321133300013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 321133300013 its reverse (310003331123), we get a palindrome (631136631136).

The spelling of 321133300013 in words is "three hundred twenty-one billion, one hundred thirty-three million, three hundred thousand, thirteen".