30122220013 has 4 divisors (see below), whose sum is σ = 30856908348. Its totient is φ = 29387531680.

The previous prime is 30122220001. The next prime is 30122220017. The reversal of 30122220013 is 31002222103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31002222103 = 967 ⋅32060209.

It can be written as a sum of positive squares in 2 ways, for example, as 11647158084 + 18475061929 = 107922^2 + 135923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30122220013 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 (30122220017) 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 3 ways as a sum of consecutive naturals, for example, 367344106 + ... + 367344187.

It is an arithmetic number, because the mean of its divisors is an integer number (7714227087).

Almost surely, 2^30122220013 is an apocalyptic number.

It is an amenable number.

30122220013 is a deficient number, since it is larger than the sum of its proper divisors (734688335).

30122220013 is an equidigital number, since it uses as much as digits as its factorization.

30122220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734688334.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30122220013 its reverse (31002222103), we get a palindrome (61124442116).

The spelling of 30122220013 in words is "thirty billion, one hundred twenty-two million, two hundred twenty thousand, thirteen".