303020030221 has 8 divisors (see below), whose sum is σ = 310253084064. Its totient is φ = 295795434480.

The previous prime is 303020030213. The next prime is 303020030231. The reversal of 303020030221 is 122030020303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 303020030221 - 2³ = 303020030213 is a prime.

It is a super-2 number, since 2×303020030221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303020030195 and 303020030204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303020030231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041990 + ... + 2185351.

It is an arithmetic number, because the mean of its divisors is an integer number (38781635508).

Almost surely, 2^303020030221 is an apocalyptic number.

It is an amenable number.

303020030221 is a deficient number, since it is larger than the sum of its proper divisors (7233053843).

303020030221 is a wasteful number, since it uses less digits than its factorization.

303020030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229051.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 303020030221 its reverse (122030020303), we get a palindrome (425050050524).

The spelling of 303020030221 in words is "three hundred three billion, twenty million, thirty thousand, two hundred twenty-one".