321321210322213 has 2 divisors, whose sum is σ = 321321210322214. Its totient is φ = 321321210322212.

The previous prime is 321321210322193. The next prime is 321321210322271. The reversal of 321321210322213 is 312223012123123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280029366510084 + 41291843812129 = 16734078^2 + 6425873^2 .

It is a cyclic number.

It is not a de Polignac number, because 321321210322213 - 2⁵ = 321321210322181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321321210320213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160660605161106 + 160660605161107.

It is an arithmetic number, because the mean of its divisors is an integer number (160660605161107).

Almost surely, 2^{321321210322213} is an apocalyptic number.

It is an amenable number.

321321210322213 is a deficient number, since it is larger than the sum of its proper divisors (1).

321321210322213 is an equidigital number, since it uses as much as digits as its factorization.

321321210322213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 321321210322213 its reverse (312223012123123), we get a palindrome (633544222445336).

The spelling of 321321210322213 in words is "three hundred twenty-one trillion, three hundred twenty-one billion, two hundred ten million, three hundred twenty-two thousand, two hundred thirteen".