13112020243 has 8 divisors (see below), whose sum is σ = 15047347040. Its totient is φ = 11192238720.

The previous prime is 13112020237. The next prime is 13112020247. The reversal of 13112020243 is 34202021131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13112020243 - 2³³ = 4522085651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13112020243.

It is not an unprimeable number, because it can be changed into a prime (13112020247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3884508 + ... + 3887881.

It is an arithmetic number, because the mean of its divisors is an integer number (1880918380).

Almost surely, 2^13112020243 is an apocalyptic number.

13112020243 is a deficient number, since it is larger than the sum of its proper divisors (1935326797).

13112020243 is an equidigital number, since it uses as much as digits as its factorization.

13112020243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7772637.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13112020243 its reverse (34202021131), we get a palindrome (47314041374).

The spelling of 13112020243 in words is "thirteen billion, one hundred twelve million, twenty thousand, two hundred forty-three".