320303231111 has 2 divisors, whose sum is σ = 320303231112. Its totient is φ = 320303231110.

The previous prime is 320303230987. The next prime is 320303231117. The reversal of 320303231111 is 111132303023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320303231111 - 2³⁰ = 319229489287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320303231117) 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, 160151615555 + 160151615556.

It is an arithmetic number, because the mean of its divisors is an integer number (160151615556).

Almost surely, 2^320303231111 is an apocalyptic number.

320303231111 is a deficient number, since it is larger than the sum of its proper divisors (1).

320303231111 is an equidigital number, since it uses as much as digits as its factorization.

320303231111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 320303231111 its reverse (111132303023), we get a palindrome (431435534134).

The spelling of 320303231111 in words is "three hundred twenty billion, three hundred three million, two hundred thirty-one thousand, one hundred eleven".