323021113 has 2 divisors, whose sum is σ = 323021114. Its totient is φ = 323021112.

The previous prime is 323021099. The next prime is 323021161. The reversal of 323021113 is 311120323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255584169 + 67436944 = 15987^2 + 8212^2 .

It is a cyclic number.

It is not a de Polignac number, because 323021113 - 2²¹ = 320923961 is a prime.

It is not a weakly prime, because it can be changed into another prime (323021213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161510556 + 161510557.

It is an arithmetic number, because the mean of its divisors is an integer number (161510557).

Almost surely, 2^323021113 is an apocalyptic number.

It is an amenable number.

323021113 is a deficient number, since it is larger than the sum of its proper divisors (1).

323021113 is an equidigital number, since it uses as much as digits as its factorization.

323021113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 323021113 is about 17972.7881253856. The cubic root of 323021113 is about 686.1361527702.

Adding to 323021113 its reverse (311120323), we get a palindrome (634141436).

The spelling of 323021113 in words is "three hundred twenty-three million, twenty-one thousand, one hundred thirteen".