323212221221311 has 2 divisors, whose sum is σ = 323212221221312. Its totient is φ = 323212221221310.

The previous prime is 323212221221287. The next prime is 323212221221363. The reversal of 323212221221311 is 113122122212323.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 323212221221311 - 2¹¹ = 323212221219263 is a prime.

It is a super-2 number, since 2×323212221221311² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323212221221311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323212221221381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606110610655 + 161606110610656.

It is an arithmetic number, because the mean of its divisors is an integer number (161606110610656).

Almost surely, 2^{323212221221311} is an apocalyptic number.

323212221221311 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212221221311 is an equidigital number, since it uses as much as digits as its factorization.

323212221221311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

Adding to 323212221221311 its reverse (113122122212323), we get a palindrome (436334343433634).

The spelling of 323212221221311 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred twenty-one million, two hundred twenty-one thousand, three hundred eleven".