301300030021 has 2 divisors, whose sum is σ = 301300030022. Its totient is φ = 301300030020.

The previous prime is 301300030001. The next prime is 301300030037. The reversal of 301300030021 is 120030003103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212600299396 + 88699730625 = 461086^2 + 297825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-301300030021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 301300029983 and 301300030010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (301300030001) 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, 150650015010 + 150650015011.

It is an arithmetic number, because the mean of its divisors is an integer number (150650015011).

Almost surely, 2^301300030021 is an apocalyptic number.

It is an amenable number.

301300030021 is a deficient number, since it is larger than the sum of its proper divisors (1).

301300030021 is an equidigital number, since it uses as much as digits as its factorization.

301300030021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 301300030021 its reverse (120030003103), we get a palindrome (421330033124).

The spelling of 301300030021 in words is "three hundred one billion, three hundred million, thirty thousand, twenty-one".