210313321213 has 2 divisors, whose sum is σ = 210313321214. Its totient is φ = 210313321212.

The previous prime is 210313321201. The next prime is 210313321247. The reversal of 210313321213 is 312123313012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201944181924 + 8369139289 = 449382^2 + 91483^2 .

It is a cyclic number.

It is not a de Polignac number, because 210313321213 - 2¹⁷ = 210313190141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210313321513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105156660606 + 105156660607.

It is an arithmetic number, because the mean of its divisors is an integer number (105156660607).

Almost surely, 2^210313321213 is an apocalyptic number.

It is an amenable number.

210313321213 is a deficient number, since it is larger than the sum of its proper divisors (1).

210313321213 is an equidigital number, since it uses as much as digits as its factorization.

210313321213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 210313321213 its reverse (312123313012), we get a palindrome (522436634225).

The spelling of 210313321213 in words is "two hundred ten billion, three hundred thirteen million, three hundred twenty-one thousand, two hundred thirteen".