130304503 has 8 divisors (see below), whose sum is σ = 149045120. Its totient is φ = 111595320.

The previous prime is 130304483. The next prime is 130304513. The reversal of 130304503 is 305403031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130304503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130304513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1828 + ... + 16246.

It is an arithmetic number, because the mean of its divisors is an integer number (18630640).

Almost surely, 2^130304503 is an apocalyptic number.

130304503 is a deficient number, since it is larger than the sum of its proper divisors (18740617).

130304503 is a wasteful number, since it uses less digits than its factorization.

130304503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15717.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 130304503 is about 11415.0997805538. The cubic root of 130304503 is about 506.9749192349.

Adding to 130304503 its reverse (305403031), we get a palindrome (435707534).

The spelling of 130304503 in words is "one hundred thirty million, three hundred four thousand, five hundred three".