13220313203 has 4 divisors (see below), whose sum is σ = 13343867640. Its totient is φ = 13096758768.

The previous prime is 13220313181. The next prime is 13220313241. The reversal of 13220313203 is 30231302231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13220313203 - 2²⁴ = 13203535987 is a prime.

It is a super-2 number, since 2×13220313203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220313263) 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, 61777058 + ... + 61777271.

It is an arithmetic number, because the mean of its divisors is an integer number (3335966910).

Almost surely, 2^13220313203 is an apocalyptic number.

13220313203 is a deficient number, since it is larger than the sum of its proper divisors (123554437).

13220313203 is a wasteful number, since it uses less digits than its factorization.

13220313203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123554436.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13220313203 its reverse (30231302231), we get a palindrome (43451615434).

The spelling of 13220313203 in words is "thirteen billion, two hundred twenty million, three hundred thirteen thousand, two hundred three".