320042011 has 2 divisors, whose sum is σ = 320042012. Its totient is φ = 320042010.

The previous prime is 320041993. The next prime is 320042027. The reversal of 320042011 is 110240023.

It is a strong prime.

It is an emirp because it is prime and its reverse (110240023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320042011 - 2⁵ = 320041979 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 320041982 and 320042000.

It is not a weakly prime, because it can be changed into another prime (320042311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160021005 + 160021006.

It is an arithmetic number, because the mean of its divisors is an integer number (160021006).

Almost surely, 2^320042011 is an apocalyptic number.

320042011 is a deficient number, since it is larger than the sum of its proper divisors (1).

320042011 is an equidigital number, since it uses as much as digits as its factorization.

320042011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 320042011 is about 17889.7180246084. The cubic root of 320042011 is about 684.0203097773.

Adding to 320042011 its reverse (110240023), we get a palindrome (430282034).

The spelling of 320042011 in words is "three hundred twenty million, forty-two thousand, eleven".