320442001111 has 2 divisors, whose sum is σ = 320442001112. Its totient is φ = 320442001110.

The previous prime is 320442001079. The next prime is 320442001207. The reversal of 320442001111 is 111100244023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320442001111 - 2⁵ = 320442001079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320442001511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160221000555 + 160221000556.

It is an arithmetic number, because the mean of its divisors is an integer number (160221000556).

Almost surely, 2^320442001111 is an apocalyptic number.

320442001111 is a deficient number, since it is larger than the sum of its proper divisors (1).

320442001111 is an equidigital number, since it uses as much as digits as its factorization.

320442001111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 320442001111 its reverse (111100244023), we get a palindrome (431542245134).

The spelling of 320442001111 in words is "three hundred twenty billion, four hundred forty-two million, one thousand, one hundred eleven".