320003103311 has 4 divisors (see below), whose sum is σ = 322445875224. Its totient is φ = 317560331400.

The previous prime is 320003103263. The next prime is 320003103317. The reversal of 320003103311 is 113301300023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113301300023 = 19 ⋅5963226317.

It is a cyclic number.

It is not a de Polignac number, because 320003103311 - 2²² = 319998909007 is a prime.

It is a super-2 number, since 2×320003103311² (a number of 24 digits) contains 22 as substring.

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 320003103311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320003103317) 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, 1221385760 + ... + 1221386021.

It is an arithmetic number, because the mean of its divisors is an integer number (80611468806).

Almost surely, 2^320003103311 is an apocalyptic number.

320003103311 is a deficient number, since it is larger than the sum of its proper divisors (2442771913).

320003103311 is a wasteful number, since it uses less digits than its factorization.

320003103311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442771912.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 320003103311 its reverse (113301300023), we get a palindrome (433304403334).

The spelling of 320003103311 in words is "three hundred twenty billion, three million, one hundred three thousand, three hundred eleven".