300021320113 has 2 divisors, whose sum is σ = 300021320114. Its totient is φ = 300021320112.

The previous prime is 300021320111. The next prime is 300021320149. The reversal of 300021320113 is 311023120003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298758441744 + 1262878369 = 546588^2 + 35537^2 .

It is an emirp because it is prime and its reverse (311023120003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 300021320113 - 2¹ = 300021320111 is a prime.

Together with 300021320111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (300021320111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150010660056 + 150010660057.

It is an arithmetic number, because the mean of its divisors is an integer number (150010660057).

Almost surely, 2^300021320113 is an apocalyptic number.

It is an amenable number.

300021320113 is a deficient number, since it is larger than the sum of its proper divisors (1).

300021320113 is an equidigital number, since it uses as much as digits as its factorization.

300021320113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 300021320113 its reverse (311023120003), we get a palindrome (611044440116).

The spelling of 300021320113 in words is "three hundred billion, twenty-one million, three hundred twenty thousand, one hundred thirteen".