323021313 has 6 divisors (see below), whose sum is σ = 466586354. Its totient is φ = 215347536.

The previous prime is 323021311. The next prime is 323021323. The reversal of 323021313 is 313120323.

It can be written as a sum of positive squares in only one way, i.e., 201867264 + 121154049 = 14208^2 + 11007^2 .

It is not a de Polignac number, because 323021313 - 2¹ = 323021311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323021311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17945620 + ... + 17945637.

Almost surely, 2^323021313 is an apocalyptic number.

It is an amenable number.

323021313 is a deficient number, since it is larger than the sum of its proper divisors (143565041).

323021313 is a wasteful number, since it uses less digits than its factorization.

323021313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35891263 (or 35891260 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 323021313 is about 17972.7936893517. The cubic root of 323021313 is about 686.1362943783.

Adding to 323021313 its reverse (313120323), we get a palindrome (636141636).

The spelling of 323021313 in words is "three hundred twenty-three million, twenty-one thousand, three hundred thirteen".