320000111 has 8 divisors (see below), whose sum is σ = 327184320. Its totient is φ = 312831648.

The previous prime is 320000089. The next prime is 320000113. The reversal of 320000111 is 111000023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320000111 - 2¹⁰ = 319999087 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 (320000113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43445 + ... + 50273.

It is an arithmetic number, because the mean of its divisors is an integer number (40898040).

Almost surely, 2^320000111 is an apocalyptic number.

320000111 is a deficient number, since it is larger than the sum of its proper divisors (7184209).

320000111 is an equidigital number, since it uses as much as digits as its factorization.

320000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7873.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 320000111 is about 17888.5469225424. The cubic root of 320000111 is about 683.9904577571.

Adding to 320000111 its reverse (111000023), we get a palindrome (431000134).

The spelling of 320000111 in words is "three hundred twenty million, one hundred eleven", and thus it is an aban number.