320111020003 has 2 divisors, whose sum is σ = 320111020004. Its totient is φ = 320111020002.

The previous prime is 320111020001. The next prime is 320111020013. The reversal of 320111020003 is 300020111023.

It is a weak prime.

It is an emirp because it is prime and its reverse (300020111023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320111020003 - 2¹ = 320111020001 is a prime.

It is a super-2 number, since 2×320111020003² (a number of 24 digits) contains 22 as substring.

Together with 320111020001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (320111020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160055510001 + 160055510002.

It is an arithmetic number, because the mean of its divisors is an integer number (160055510002).

Almost surely, 2^320111020003 is an apocalyptic number.

320111020003 is a deficient number, since it is larger than the sum of its proper divisors (1).

320111020003 is an equidigital number, since it uses as much as digits as its factorization.

320111020003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 320111020003 its reverse (300020111023), we get a palindrome (620131131026).

The spelling of 320111020003 in words is "three hundred twenty billion, one hundred eleven million, twenty thousand, three".