320010013 has 2 divisors, whose sum is σ = 320010014. Its totient is φ = 320010012.

The previous prime is 320010007. The next prime is 320010029. The reversal of 320010013 is 310010023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216031204 + 103978809 = 14698^2 + 10197^2 .

It is a cyclic number.

It is not a de Polignac number, because 320010013 - 2¹³ = 320001821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320010073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160005006 + 160005007.

It is an arithmetic number, because the mean of its divisors is an integer number (160005007).

Almost surely, 2^320010013 is an apocalyptic number.

It is an amenable number.

320010013 is a deficient number, since it is larger than the sum of its proper divisors (1).

320010013 is an equidigital number, since it uses as much as digits as its factorization.

320010013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 320010013 is about 17888.8236896672. The cubic root of 320010013 is about 683.9975127584.

Adding to 320010013 its sum of digits (10), we get a palindrome (320010023).

Adding to 320010013 its reverse (310010023), we get a palindrome (630020036).

The spelling of 320010013 in words is "three hundred twenty million, ten thousand, thirteen".