300243213 has 16 divisors (see below), whose sum is σ = 450438400. Its totient is φ = 197627040.

The previous prime is 300243211. The next prime is 300243217. The reversal of 300243213 is 312342003.

It is not a de Polignac number, because 300243213 - 2¹ = 300243211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300243211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68248 + ... + 72513.

It is an arithmetic number, because the mean of its divisors is an integer number (28152400).

Almost surely, 2^300243213 is an apocalyptic number.

It is an amenable number.

300243213 is a deficient number, since it is larger than the sum of its proper divisors (150195187).

300243213 is a wasteful number, since it uses less digits than its factorization.

300243213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140849 (or 140843 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 300243213 is about 17327.5276078268. The cubic root of 300243213 is about 669.6138065459.

Adding to 300243213 its reverse (312342003), we get a palindrome (612585216).

The spelling of 300243213 in words is "three hundred million, two hundred forty-three thousand, two hundred thirteen".