30300131322221 has 4 divisors (see below), whose sum is σ = 32082491988252. Its totient is φ = 28517770656192.

The previous prime is 30300131322217. The next prime is 30300131322233. The reversal of 30300131322221 is 12222313100303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24686141305225 + 5613990016996 = 4968515^2 + 2369386^2 .

It is a cyclic number.

It is not a de Polignac number, because 30300131322221 - 2² = 30300131322217 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 (30300131322521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891180332990 + ... + 891180333023.

It is an arithmetic number, because the mean of its divisors is an integer number (8020622997063).

Almost surely, 2^{30300131322221} is an apocalyptic number.

It is an amenable number.

30300131322221 is a deficient number, since it is larger than the sum of its proper divisors (1782360666031).

30300131322221 is a wasteful number, since it uses less digits than its factorization.

30300131322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782360666030.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30300131322221 its reverse (12222313100303), we get a palindrome (42522444422524).

The spelling of 30300131322221 in words is "thirty trillion, three hundred billion, one hundred thirty-one million, three hundred twenty-two thousand, two hundred twenty-one".