321003130213 has 2 divisors, whose sum is σ = 321003130214. Its totient is φ = 321003130212.

The previous prime is 321003130177. The next prime is 321003130271. The reversal of 321003130213 is 312031300123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315306956484 + 5696173729 = 561522^2 + 75473^2 .

It is an emirp because it is prime and its reverse (312031300123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321003130213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321003130313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160501565106 + 160501565107.

It is an arithmetic number, because the mean of its divisors is an integer number (160501565107).

Almost surely, 2^321003130213 is an apocalyptic number.

It is an amenable number.

321003130213 is a deficient number, since it is larger than the sum of its proper divisors (1).

321003130213 is an equidigital number, since it uses as much as digits as its factorization.

321003130213 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 321003130213 its reverse (312031300123), we get a palindrome (633034430336).

The spelling of 321003130213 in words is "three hundred twenty-one billion, three million, one hundred thirty thousand, two hundred thirteen".