323130310213 has 4 divisors (see below), whose sum is σ = 323131452940. Its totient is φ = 323129167488.

The previous prime is 323130310147. The next prime is 323130310247. The reversal of 323130310213 is 312013031323.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 57320978724 + 265809331489 = 239418^2 + 515567^2 .

It is a cyclic number.

It is not a de Polignac number, because 323130310213 - 2⁹ = 323130309701 is a prime.

It is a super-2 number, since 2×323130310213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323130310313) 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, 199183 + ... + 828211.

It is an arithmetic number, because the mean of its divisors is an integer number (80782863235).

Almost surely, 2^323130310213 is an apocalyptic number.

It is an amenable number.

323130310213 is a deficient number, since it is larger than the sum of its proper divisors (1142727).

323130310213 is an equidigital number, since it uses as much as digits as its factorization.

323130310213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142726.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 323130310213 its reverse (312013031323), we get a palindrome (635143341536).

The spelling of 323130310213 in words is "three hundred twenty-three billion, one hundred thirty million, three hundred ten thousand, two hundred thirteen".