20130103103 has 16 divisors (see below), whose sum is σ = 22085606400. Its totient is φ = 18195645600.

The previous prime is 20130103073. The next prime is 20130103127. The reversal of 20130103103 is 30130103102.

It is not a de Polignac number, because 20130103103 - 2⁸ = 20130102847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130103303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5004233 + ... + 5008253.

It is an arithmetic number, because the mean of its divisors is an integer number (1380350400).

Almost surely, 2^20130103103 is an apocalyptic number.

20130103103 is a deficient number, since it is larger than the sum of its proper divisors (1955503297).

20130103103 is a wasteful number, since it uses less digits than its factorization.

20130103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20130103103 its reverse (30130103102), we get a palindrome (50260206205).

Subtracting 20130103103 from its reverse (30130103102), we obtain a palindrome (9999999999).

The spelling of 20130103103 in words is "twenty billion, one hundred thirty million, one hundred three thousand, one hundred three".