323213211113131 has 2 divisors, whose sum is σ = 323213211113132. Its totient is φ = 323213211113130.

The previous prime is 323213211113129. The next prime is 323213211113147. The reversal of 323213211113131 is 131311112312323.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 323213211113131 - 2¹ = 323213211113129 is a prime.

It is a super-2 number, since 2×323213211113131² (a number of 30 digits) contains 22 as substring.

Together with 323213211113129, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 323213211113131.

It is not a weakly prime, because it can be changed into another prime (323213211113161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606605556565 + 161606605556566.

It is an arithmetic number, because the mean of its divisors is an integer number (161606605556566).

Almost surely, 2^{323213211113131} is an apocalyptic number.

323213211113131 is a deficient number, since it is larger than the sum of its proper divisors (1).

323213211113131 is an equidigital number, since it uses as much as digits as its factorization.

323213211113131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

Adding to 323213211113131 its reverse (131311112312323), we get a palindrome (454524323425454).

The spelling of 323213211113131 in words is "three hundred twenty-three trillion, two hundred thirteen billion, two hundred eleven million, one hundred thirteen thousand, one hundred thirty-one".