320403004111 has 4 divisors (see below), whose sum is σ = 320456526552. Its totient is φ = 320349481672.

The previous prime is 320403004067. The next prime is 320403004127. The reversal of 320403004111 is 111400304023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111400304023 = 967 ⋅115201969.

It is a cyclic number.

It is not a de Polignac number, because 320403004111 - 2²³ = 320394615503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320403004711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26752240 + ... + 26764213.

It is an arithmetic number, because the mean of its divisors is an integer number (80114131638).

Almost surely, 2^320403004111 is an apocalyptic number.

320403004111 is a deficient number, since it is larger than the sum of its proper divisors (53522441).

320403004111 is an equidigital number, since it uses as much as digits as its factorization.

320403004111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53522440.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 320403004111 its reverse (111400304023), we get a palindrome (431803308134).

The spelling of 320403004111 in words is "three hundred twenty billion, four hundred three million, four thousand, one hundred eleven".