130503103 has 16 divisors (see below), whose sum is σ = 138996000. Its totient is φ = 122332672.

The previous prime is 130503089. The next prime is 130503143. The reversal of 130503103 is 301305031.

It is not a de Polignac number, because 130503103 - 2¹³ = 130494911 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 (130503143) 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, 151851 + ... + 152707.

It is an arithmetic number, because the mean of its divisors is an integer number (8687250).

Almost surely, 2^130503103 is an apocalyptic number.

130503103 is a deficient number, since it is larger than the sum of its proper divisors (8492897).

130503103 is an equidigital number, since it uses as much as digits as its factorization.

130503103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 130503103 is about 11423.7954726089. The cubic root of 130503103 is about 507.2323524208.

Adding to 130503103 its reverse (301305031), we get a palindrome (431808134).

The spelling of 130503103 in words is "one hundred thirty million, five hundred three thousand, one hundred three".