13100103 has 16 divisors (see below), whose sum is σ = 19464960. Its totient is φ = 8707608.

The previous prime is 13100089. The next prime is 13100111. The reversal of 13100103 is 30100131.

It is not a de Polignac number, because 13100103 - 2⁵ = 13100071 is a prime.

It is a super-2 number, since 2×13100103² = 343225397221218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14326 + ... + 15212.

It is an arithmetic number, because the mean of its divisors is an integer number (1216560).

Almost surely, 2^13100103 is an apocalyptic number.

13100103 is a deficient number, since it is larger than the sum of its proper divisors (6364857).

13100103 is an equidigital number, since it uses as much as digits as its factorization.

13100103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 13100103 is about 3619.4064430511. The cubic root of 13100103 is about 235.7354535890.

Adding to 13100103 its reverse (30100131), we get a palindrome (43200234).

It can be divided in two parts, 13100 and 103, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 13100103 in words is "thirteen million, one hundred thousand, one hundred three".