10303130503 has 4 divisors (see below), whose sum is σ = 10306110888. Its totient is φ = 10300150120.

The previous prime is 10303130491. The next prime is 10303130543. The reversal of 10303130503 is 30503130301.

10303130503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30503130301 = 7 ⋅4357590043.

It is a cyclic number.

It is not a de Polignac number, because 10303130503 - 2¹³ = 10303122311 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 (10303130543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1485001 + ... + 1491922.

It is an arithmetic number, because the mean of its divisors is an integer number (2576527722).

Almost surely, 2^10303130503 is an apocalyptic number.

10303130503 is a deficient number, since it is larger than the sum of its proper divisors (2980385).

10303130503 is an equidigital number, since it uses as much as digits as its factorization.

10303130503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980384.

The product of its (nonzero) digits is 405, while the sum is 19.

Adding to 10303130503 its reverse (30503130301), we get a palindrome (40806260804).

The spelling of 10303130503 in words is "ten billion, three hundred three million, one hundred thirty thousand, five hundred three".