323331121213 has 2 divisors, whose sum is σ = 323331121214. Its totient is φ = 323331121212.

The previous prime is 323331121199. The next prime is 323331121231. The reversal of 323331121213 is 312121133323.

Together with next prime (323331121231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319752928089 + 3578193124 = 565467^2 + 59818^2 .

It is a cyclic number.

It is not a de Polignac number, because 323331121213 - 2¹⁷ = 323330990141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323331121513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161665560606 + 161665560607.

It is an arithmetic number, because the mean of its divisors is an integer number (161665560607).

Almost surely, 2^323331121213 is an apocalyptic number.

It is an amenable number.

323331121213 is a deficient number, since it is larger than the sum of its proper divisors (1).

323331121213 is an equidigital number, since it uses as much as digits as its factorization.

323331121213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 25.

Adding to 323331121213 its reverse (312121133323), we get a palindrome (635452254536).

The spelling of 323331121213 in words is "three hundred twenty-three billion, three hundred thirty-one million, one hundred twenty-one thousand, two hundred thirteen".