320413111 has 2 divisors, whose sum is σ = 320413112. Its totient is φ = 320413110.

The previous prime is 320413109. The next prime is 320413151. The reversal of 320413111 is 111314023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320413111 - 2¹ = 320413109 is a prime.

Together with 320413109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320413151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160206555 + 160206556.

It is an arithmetic number, because the mean of its divisors is an integer number (160206556).

Almost surely, 2^320413111 is an apocalyptic number.

320413111 is a deficient number, since it is larger than the sum of its proper divisors (1).

320413111 is an equidigital number, since it uses as much as digits as its factorization.

320413111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 320413111 is about 17900.0868992304. The cubic root of 320413111 is about 684.2845895482.

Adding to 320413111 its reverse (111314023), we get a palindrome (431727134).

The spelling of 320413111 in words is "three hundred twenty million, four hundred thirteen thousand, one hundred eleven".