320796911 has 2 divisors, whose sum is σ = 320796912. Its totient is φ = 320796910.

The previous prime is 320796901. The next prime is 320796913. The reversal of 320796911 is 119697023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320796911 is a prime.

Together with 320796913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320796913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160398455 + 160398456.

It is an arithmetic number, because the mean of its divisors is an integer number (160398456).

Almost surely, 2^320796911 is an apocalyptic number.

320796911 is a deficient number, since it is larger than the sum of its proper divisors (1).

320796911 is an equidigital number, since it uses as much as digits as its factorization.

320796911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 320796911 is about 17910.8043091314. The cubic root of 320796911 is about 684.5576990901.

The spelling of 320796911 in words is "three hundred twenty million, seven hundred ninety-six thousand, nine hundred eleven".