30300244121 has 6 divisors (see below), whose sum is σ = 35247222810. Its totient is φ = 25971637776.

The previous prime is 30300244103. The next prime is 30300244127. The reversal of 30300244121 is 12144200303.

It can be written as a sum of positive squares in only one way, i.e., 30246427225 + 53816896 = 173915^2 + 7336^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30300244121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30300244093 and 30300244102.

It is not an unprimeable number, because it can be changed into a prime (30300244127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309186116 + ... + 309186213.

It is an arithmetic number, because the mean of its divisors is an integer number (5874537135).

Almost surely, 2^30300244121 is an apocalyptic number.

It is an amenable number.

30300244121 is a deficient number, since it is larger than the sum of its proper divisors (4946978689).

30300244121 is an equidigital number, since it uses as much as digits as its factorization.

30300244121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618372343 (or 618372336 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30300244121 its reverse (12144200303), we get a palindrome (42444444424).

The spelling of 30300244121 in words is "thirty billion, three hundred million, two hundred forty-four thousand, one hundred twenty-one".