324321313 has 4 divisors (see below), whose sum is σ = 324401220. Its totient is φ = 324241408.

The previous prime is 324321311. The next prime is 324321341. The reversal of 324321313 is 313123423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313123423 = 197 ⋅1589459.

It can be written as a sum of positive squares in 2 ways, for example, as 208715809 + 115605504 = 14447^2 + 10752^2 .

It is a cyclic number.

It is not a de Polignac number, because 324321313 - 2¹ = 324321311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324321311) 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, 33520 + ... + 42097.

It is an arithmetic number, because the mean of its divisors is an integer number (81100305).

Almost surely, 2^324321313 is an apocalyptic number.

It is an amenable number.

324321313 is a deficient number, since it is larger than the sum of its proper divisors (79907).

324321313 is an equidigital number, since it uses as much as digits as its factorization.

324321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79906.

The product of its digits is 1296, while the sum is 22.

The square root of 324321313 is about 18008.9231493724. The cubic root of 324321313 is about 687.0555146970.

Adding to 324321313 its reverse (313123423), we get a palindrome (637444736).

The spelling of 324321313 in words is "three hundred twenty-four million, three hundred twenty-one thousand, three hundred thirteen".