323311213 has 4 divisors (see below), whose sum is σ = 327403840. Its totient is φ = 319218588.

The previous prime is 323311181. The next prime is 323311231. The reversal of 323311213 is 312113323.

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 323311213 - 2⁵ = 323311181 is a prime.

It is a super-3 number, since 3×323311213³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323311243) 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, 2046195 + ... + 2046352.

It is an arithmetic number, because the mean of its divisors is an integer number (81850960).

Almost surely, 2^323311213 is an apocalyptic number.

It is an amenable number.

323311213 is a deficient number, since it is larger than the sum of its proper divisors (4092627).

323311213 is an equidigital number, since it uses as much as digits as its factorization.

323311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092626.

The product of its digits is 324, while the sum is 19.

The square root of 323311213 is about 17980.8568483262. The cubic root of 323311213 is about 686.3414938788.

Adding to 323311213 its reverse (312113323), we get a palindrome (635424536).

The spelling of 323311213 in words is "three hundred twenty-three million, three hundred eleven thousand, two hundred thirteen".