13420100103 has 4 divisors (see below), whose sum is σ = 17893466808. Its totient is φ = 8946733400.

The previous prime is 13420100087. The next prime is 13420100107. The reversal of 13420100103 is 30100102431.

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 13420100103 - 2⁴ = 13420100087 is a prime.

It is a super-2 number, since 2×13420100103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420100107) 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, 2236683348 + ... + 2236683353.

It is an arithmetic number, because the mean of its divisors is an integer number (4473366702).

Almost surely, 2^13420100103 is an apocalyptic number.

13420100103 is a deficient number, since it is larger than the sum of its proper divisors (4473366705).

13420100103 is an equidigital number, since it uses as much as digits as its factorization.

13420100103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473366704.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13420100103 its reverse (30100102431), we get a palindrome (43520202534).

The spelling of 13420100103 in words is "thirteen billion, four hundred twenty million, one hundred thousand, one hundred three".