321322111213 has 2 divisors, whose sum is σ = 321322111214. Its totient is φ = 321322111212.

The previous prime is 321322111189. The next prime is 321322111217. The reversal of 321322111213 is 312111223123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164318351044 + 157003760169 = 405362^2 + 396237^2 .

It is a cyclic number.

It is not a de Polignac number, because 321322111213 - 2³³ = 312732176621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321322111217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160661055606 + 160661055607.

It is an arithmetic number, because the mean of its divisors is an integer number (160661055607).

Almost surely, 2^321322111213 is an apocalyptic number.

It is an amenable number.

321322111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

321322111213 is an equidigital number, since it uses as much as digits as its factorization.

321322111213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

Adding to 321322111213 its reverse (312111223123), we get a palindrome (633433334336).

The spelling of 321322111213 in words is "three hundred twenty-one billion, three hundred twenty-two million, one hundred eleven thousand, two hundred thirteen".