323131310210213 has 4 divisors (see below), whose sum is σ = 323131476130368. Its totient is φ = 323131144290060.

The previous prime is 323131310210207. The next prime is 323131310210227. The reversal of 323131310210213 is 312012013131323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 323131310210213 - 2¹⁰ = 323131310209189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323131310215213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80003693 + ... + 83945538.

It is an arithmetic number, because the mean of its divisors is an integer number (80782869032592).

Almost surely, 2^{323131310210213} is an apocalyptic number.

It is an amenable number.

323131310210213 is a deficient number, since it is larger than the sum of its proper divisors (165920155).

323131310210213 is a wasteful number, since it uses less digits than its factorization.

323131310210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165920154.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 323131310210213 its reverse (312012013131323), we get a palindrome (635143323341536).

The spelling of 323131310210213 in words is "three hundred twenty-three trillion, one hundred thirty-one billion, three hundred ten million, two hundred ten thousand, two hundred thirteen".