320011 has 2 divisors, whose sum is σ = 320012. Its totient is φ = 320010.

The previous prime is 320009. The next prime is 320027. The reversal of 320011 is 110023.

It is a weak prime.

It is an emirp because it is prime and its reverse (110023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320011 - 2¹ = 320009 is a prime.

Together with 320009, it forms a pair of twin primes.

320011 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 319976 and 320003.

It is not a weakly prime, because it can be changed into another prime (320041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160005 + 160006.

It is an arithmetic number, because the mean of its divisors is an integer number (160006).

2³²⁰⁰¹¹ is an apocalyptic number.

320011 is a deficient number, since it is larger than the sum of its proper divisors (1).

320011 is an equidigital number, since it uses as much as digits as its factorization.

320011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 320011 is about 565.6951475839. The cubic root of 320011 is about 68.3998215971.

Adding to 320011 its reverse (110023), we get a palindrome (430034).

The spelling of 320011 in words is "three hundred twenty thousand, eleven", and thus it is an iban number.