300000312030221 has 4 divisors (see below), whose sum is σ = 327273067669344. Its totient is φ = 272727556391100.

The previous prime is 300000312030187. The next prime is 300000312030227. The reversal of 300000312030221 is 122030213000003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 300000312030221 - 2²⁶ = 300000244921357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 300000312030221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300000312030227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13636377819545 + ... + 13636377819566.

It is an arithmetic number, because the mean of its divisors is an integer number (81818266917336).

Almost surely, 2^{300000312030221} is an apocalyptic number.

It is an amenable number.

300000312030221 is a deficient number, since it is larger than the sum of its proper divisors (27272755639123).

300000312030221 is a wasteful number, since it uses less digits than its factorization.

300000312030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27272755639122.

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

Adding to 300000312030221 its reverse (122030213000003), we get a palindrome (422030525030224).

The spelling of 300000312030221 in words is "three hundred trillion, three hundred twelve million, thirty thousand, two hundred twenty-one".