320434012211 has 2 divisors, whose sum is σ = 320434012212. Its totient is φ = 320434012210.

The previous prime is 320434012207. The next prime is 320434012229. The reversal of 320434012211 is 112210434023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320434012211 - 2² = 320434012207 is a prime.

It is not a weakly prime, because it can be changed into another prime (320434012291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160217006105 + 160217006106.

It is an arithmetic number, because the mean of its divisors is an integer number (160217006106).

Almost surely, 2^320434012211 is an apocalyptic number.

320434012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

320434012211 is an equidigital number, since it uses as much as digits as its factorization.

320434012211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 320434012211 its reverse (112210434023), we get a palindrome (432644446234).

The spelling of 320434012211 in words is "three hundred twenty billion, four hundred thirty-four million, twelve thousand, two hundred eleven".