320010111 has 6 divisors (see below), whose sum is σ = 462236840. Its totient is φ = 213340068.

The previous prime is 320010073. The next prime is 320010121. The reversal of 320010111 is 111010023.

It is not a de Polignac number, because 320010111 - 2¹⁰ = 320009087 is a prime.

It is a super-2 number, since 2×320010111² = 204812942284464642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 35556679 = 320010111 / (3 + 2 + 0 + 0 + 1 + 0 + 1 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320010093 and 320010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320010121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17778331 + ... + 17778348.

Almost surely, 2^320010111 is an apocalyptic number.

320010111 is a deficient number, since it is larger than the sum of its proper divisors (142226729).

320010111 is a wasteful number, since it uses less digits than its factorization.

320010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35556685 (or 35556682 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 320010111 is about 17888.8264288075. The cubic root of 320010111 is about 683.9975825810.

Adding to 320010111 its reverse (111010023), we get a palindrome (431020134).

The spelling of 320010111 in words is "three hundred twenty million, ten thousand, one hundred eleven".