300421313 has 2 divisors, whose sum is σ = 300421314. Its totient is φ = 300421312.

The previous prime is 300421301. The next prime is 300421337. The reversal of 300421313 is 313124003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286523329 + 13897984 = 16927^2 + 3728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300421313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300421291 and 300421300.

It is not a weakly prime, because it can be changed into another prime (300421343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150210656 + 150210657.

It is an arithmetic number, because the mean of its divisors is an integer number (150210657).

Almost surely, 2^300421313 is an apocalyptic number.

It is an amenable number.

300421313 is a deficient number, since it is larger than the sum of its proper divisors (1).

300421313 is an equidigital number, since it uses as much as digits as its factorization.

300421313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 300421313 is about 17332.6660672846. Note that the first 3 decimals coincide. The cubic root of 300421313 is about 669.7461821676.

Adding to 300421313 its reverse (313124003), we get a palindrome (613545316).

The spelling of 300421313 in words is "three hundred million, four hundred twenty-one thousand, three hundred thirteen".