320111324011 has 4 divisors (see below), whose sum is σ = 338941401912. Its totient is φ = 301281246112.

The previous prime is 320111324009. The next prime is 320111324041. The reversal of 320111324011 is 110423111023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320111324011 - 2¹ = 320111324009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320111324011.

It is not an unprimeable number, because it can be changed into a prime (320111324041) 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 in 3 ways as a sum of consecutive naturals, for example, 9415038925 + ... + 9415038958.

It is an arithmetic number, because the mean of its divisors is an integer number (84735350478).

Almost surely, 2^320111324011 is an apocalyptic number.

320111324011 is a deficient number, since it is larger than the sum of its proper divisors (18830077901).

320111324011 is a wasteful number, since it uses less digits than its factorization.

320111324011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18830077900.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 320111324011 its reverse (110423111023), we get a palindrome (430534435034).

The spelling of 320111324011 in words is "three hundred twenty billion, one hundred eleven million, three hundred twenty-four thousand, eleven".