30304542220105 has 4 divisors (see below), whose sum is σ = 36365450664132. Its totient is φ = 24243633776080.

The previous prime is 30304542220103. The next prime is 30304542220151. The reversal of 30304542220105 is 50102224540303.

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 23052702550329 + 7251839669776 = 4801323^2 + 2692924^2 .

It is not a de Polignac number, because 30304542220105 - 2¹ = 30304542220103 is a prime.

It is a super-2 number, since 2×30304542220105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30304542220103) 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, 3030454222006 + ... + 3030454222015.

It is an arithmetic number, because the mean of its divisors is an integer number (9091362666033).

Almost surely, 2^{30304542220105} is an apocalyptic number.

It is an amenable number.

30304542220105 is a deficient number, since it is larger than the sum of its proper divisors (6060908444027).

30304542220105 is an equidigital number, since it uses as much as digits as its factorization.

30304542220105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060908444026.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 30304542220105 its reverse (50102224540303), we get a palindrome (80406766760408).

The spelling of 30304542220105 in words is "thirty trillion, three hundred four billion, five hundred forty-two million, two hundred twenty thousand, one hundred five".