130505303 has 4 divisors (see below), whose sum is σ = 130541040. Its totient is φ = 130469568.

The previous prime is 130505279. The next prime is 130505317. The reversal of 130505303 is 303505031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303505031 = 19 ⋅15973949.

It is a cyclic number.

It is not a de Polignac number, because 130505303 - 2¹⁰ = 130504279 is a prime.

It is a super-2 number, since 2×130505303² = 34063268222243618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130505383) 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, 11675 + ... + 19932.

It is an arithmetic number, because the mean of its divisors is an integer number (32635260).

Almost surely, 2^130505303 is an apocalyptic number.

130505303 is a deficient number, since it is larger than the sum of its proper divisors (35737).

130505303 is an equidigital number, since it uses as much as digits as its factorization.

130505303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35736.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 130505303 is about 11423.8917624424. The cubic root of 130505303 is about 507.2352026848.

The spelling of 130505303 in words is "one hundred thirty million, five hundred five thousand, three hundred three".