320023011311 has 16 divisors (see below), whose sum is σ = 324078486816. Its totient is φ = 315991259136.

The previous prime is 320023011251. The next prime is 320023011331. The reversal of 320023011311 is 113110320023.

It is a cyclic number.

It is not a de Polignac number, because 320023011311 - 2³⁰ = 318949269487 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 320023011311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320023011331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35860496 + ... + 35869418.

It is an arithmetic number, because the mean of its divisors is an integer number (20254905426).

Almost surely, 2^320023011311 is an apocalyptic number.

320023011311 is a deficient number, since it is larger than the sum of its proper divisors (4055475505).

320023011311 is a wasteful number, since it uses less digits than its factorization.

320023011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 320023011311 its reverse (113110320023), we get a palindrome (433133331334).

The spelling of 320023011311 in words is "three hundred twenty billion, twenty-three million, eleven thousand, three hundred eleven".