210320003213 has 2 divisors, whose sum is σ = 210320003214. Its totient is φ = 210320003212.

The previous prime is 210320003183. The next prime is 210320003219. The reversal of 210320003213 is 312300023012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146978690884 + 63341312329 = 383378^2 + 251677^2 .

It is a cyclic number.

It is not a de Polignac number, because 210320003213 - 2³⁴ = 193140134029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210320003191 and 210320003200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210320003219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105160001606 + 105160001607.

It is an arithmetic number, because the mean of its divisors is an integer number (105160001607).

Almost surely, 2^210320003213 is an apocalyptic number.

It is an amenable number.

210320003213 is a deficient number, since it is larger than the sum of its proper divisors (1).

210320003213 is an equidigital number, since it uses as much as digits as its factorization.

210320003213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 210320003213 its reverse (312300023012), we get a palindrome (522620026225).

The spelling of 210320003213 in words is "two hundred ten billion, three hundred twenty million, three thousand, two hundred thirteen".