323130811 has 2 divisors, whose sum is σ = 323130812. Its totient is φ = 323130810.

The previous prime is 323130809. The next prime is 323130817. The reversal of 323130811 is 118031323.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 323130811 - 2¹ = 323130809 is a prime.

Together with 323130809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (323130817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161565405 + 161565406.

It is an arithmetic number, because the mean of its divisors is an integer number (161565406).

Almost surely, 2^323130811 is an apocalyptic number.

323130811 is a deficient number, since it is larger than the sum of its proper divisors (1).

323130811 is an equidigital number, since it uses as much as digits as its factorization.

323130811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 323130811 is about 17975.8396465923. The cubic root of 323130811 is about 686.2138146133.

The spelling of 323130811 in words is "three hundred twenty-three million, one hundred thirty thousand, eight hundred eleven".