20302310113 has 4 divisors (see below), whose sum is σ = 20310796548. Its totient is φ = 20293823680.

The previous prime is 20302310087. The next prime is 20302310123. The reversal of 20302310113 is 31101320302.

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 1418878224 + 18883431889 = 37668^2 + 137417^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302310113 - 2⁵ = 20302310081 is a prime.

It is a super-3 number, since 3×20302310113³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302310123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4239628 + ... + 4244413.

It is an arithmetic number, because the mean of its divisors is an integer number (5077699137).

Almost surely, 2^20302310113 is an apocalyptic number.

It is an amenable number.

20302310113 is a deficient number, since it is larger than the sum of its proper divisors (8486435).

20302310113 is an equidigital number, since it uses as much as digits as its factorization.

20302310113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8486434.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20302310113 its reverse (31101320302), we get a palindrome (51403630415).

The spelling of 20302310113 in words is "twenty billion, three hundred two million, three hundred ten thousand, one hundred thirteen".