320003223311 has 4 divisors (see below), whose sum is σ = 320006086824. Its totient is φ = 320000359800.

The previous prime is 320003223263. The next prime is 320003223383. The reversal of 320003223311 is 113322300023.

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 320003223311 - 2⁶ = 320003223247 is a prime.

It is a super-3 number, since 3×320003223311³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320003223611) 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, 1257020 + ... + 1490001.

It is an arithmetic number, because the mean of its divisors is an integer number (80001521706).

Almost surely, 2^320003223311 is an apocalyptic number.

320003223311 is a deficient number, since it is larger than the sum of its proper divisors (2863513).

320003223311 is a wasteful number, since it uses less digits than its factorization.

320003223311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863512.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 320003223311 its reverse (113322300023), we get a palindrome (433325523334).

The spelling of 320003223311 in words is "three hundred twenty billion, three million, two hundred twenty-three thousand, three hundred eleven".