320323013011 has 2 divisors, whose sum is σ = 320323013012. Its totient is φ = 320323013010.

The previous prime is 320323012987. The next prime is 320323013039. The reversal of 320323013011 is 110310323023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320323013011 - 2¹¹ = 320323010963 is a prime.

It is a super-2 number, since 2×320323013011² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320323013011.

It is not a weakly prime, because it can be changed into another prime (320323013711) 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 as a sum of consecutive naturals, namely, 160161506505 + 160161506506.

It is an arithmetic number, because the mean of its divisors is an integer number (160161506506).

Almost surely, 2^320323013011 is an apocalyptic number.

320323013011 is a deficient number, since it is larger than the sum of its proper divisors (1).

320323013011 is an equidigital number, since it uses as much as digits as its factorization.

320323013011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 320323013011 its reverse (110310323023), we get a palindrome (430633336034).

The spelling of 320323013011 in words is "three hundred twenty billion, three hundred twenty-three million, thirteen thousand, eleven".