320111699 has 2 divisors, whose sum is σ = 320111700. Its totient is φ = 320111698.

The previous prime is 320111681. The next prime is 320111707. The reversal of 320111699 is 996111023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320111699 - 2⁸ = 320111443 is a prime.

It is equal to p_17280905 and since 320111699 and 17280905 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (320111669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160055849 + 160055850.

It is an arithmetic number, because the mean of its divisors is an integer number (160055850).

Almost surely, 2^320111699 is an apocalyptic number.

320111699 is a deficient number, since it is larger than the sum of its proper divisors (1).

320111699 is an equidigital number, since it uses as much as digits as its factorization.

320111699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 320111699 is about 17891.6656295606. The cubic root of 320111699 is about 684.0699538306.

The spelling of 320111699 in words is "three hundred twenty million, one hundred eleven thousand, six hundred ninety-nine".