13203220113 has 12 divisors (see below), whose sum is σ = 19073866500. Its totient is φ = 8800970496.

The previous prime is 13203220111. The next prime is 13203220123. The reversal of 13203220113 is 31102230231.

It can be written as a sum of positive squares in 2 ways, for example, as 6135118929 + 7068101184 = 78327^2 + 84072^2 .

It is not a de Polignac number, because 13203220113 - 2¹ = 13203220111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13203220111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23988 + ... + 164261.

It is an arithmetic number, because the mean of its divisors is an integer number (1589488875).

Almost surely, 2^13203220113 is an apocalyptic number.

It is an amenable number.

13203220113 is a deficient number, since it is larger than the sum of its proper divisors (5870646387).

13203220113 is a wasteful number, since it uses less digits than its factorization.

13203220113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196048 (or 196045 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13203220113 its reverse (31102230231), we get a palindrome (44305450344).

The spelling of 13203220113 in words is "thirteen billion, two hundred three million, two hundred twenty thousand, one hundred thirteen".