130303305 has 24 divisors (see below), whose sum is σ = 246392640. Its totient is φ = 63177120.

The previous prime is 130303279. The next prime is 130303319. The reversal of 130303305 is 503303031.

It is not a de Polignac number, because 130303305 - 2¹⁵ = 130270537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131125 + ... + 132114.

It is an arithmetic number, because the mean of its divisors is an integer number (10266360).

Almost surely, 2^130303305 is an apocalyptic number.

130303305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130303305 is a deficient number, since it is larger than the sum of its proper divisors (116089335).

130303305 is a wasteful number, since it uses less digits than its factorization.

130303305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263261 (or 263258 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 18.

The square root of 130303305 is about 11415.0473060781. The cubic root of 130303305 is about 506.9733655464.

Adding to 130303305 its reverse (503303031), we get a palindrome (633606336).

The spelling of 130303305 in words is "one hundred thirty million, three hundred three thousand, three hundred five".