323030161 has 2 divisors, whose sum is σ = 323030162. Its totient is φ = 323030160.

The previous prime is 323030143. The next prime is 323030167. The reversal of 323030161 is 161030323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308353600 + 14676561 = 17560^2 + 3831^2 .

It is an emirp because it is prime and its reverse (161030323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323030161 - 2⁷ = 323030033 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (323030167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161515080 + 161515081.

It is an arithmetic number, because the mean of its divisors is an integer number (161515081).

Almost surely, 2^323030161 is an apocalyptic number.

It is an amenable number.

323030161 is a deficient number, since it is larger than the sum of its proper divisors (1).

323030161 is an equidigital number, since it uses as much as digits as its factorization.

323030161 is an evil number, because the sum of its binary digits is even.

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

The square root of 323030161 is about 17973.0398374899. The cubic root of 323030161 is about 686.1425590614.

Adding to 323030161 its reverse (161030323), we get a palindrome (484060484).

The spelling of 323030161 in words is "three hundred twenty-three million, thirty thousand, one hundred sixty-one".