13420031103 has 8 divisors (see below), whose sum is σ = 19881527600. Its totient is φ = 8946687384.

The previous prime is 13420031101. The next prime is 13420031117. The reversal of 13420031103 is 30113002431.

It is not a de Polignac number, because 13420031103 - 2¹ = 13420031101 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 (13420031101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248519068 + ... + 248519121.

It is an arithmetic number, because the mean of its divisors is an integer number (2485190950).

Almost surely, 2^13420031103 is an apocalyptic number.

13420031103 is a deficient number, since it is larger than the sum of its proper divisors (6461496497).

13420031103 is an equidigital number, since it uses as much as digits as its factorization.

13420031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497038198 (or 497038192 counting only the distinct ones).

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

Adding to 13420031103 its reverse (30113002431), we get a palindrome (43533033534).

The spelling of 13420031103 in words is "thirteen billion, four hundred twenty million, thirty-one thousand, one hundred three".