130031305 has 16 divisors (see below), whose sum is σ = 163747584. Its totient is φ = 98936640.

The previous prime is 130031299. The next prime is 130031311. The reversal of 130031305 is 503130031.

It is an interprime number because it is at equal distance from previous prime (130031299) and next prime (130031311).

It is not a de Polignac number, because 130031305 - 2⁹ = 130030793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17692 + ... + 23938.

It is an arithmetic number, because the mean of its divisors is an integer number (10234224).

Almost surely, 2^130031305 is an apocalyptic number.

It is an amenable number.

130031305 is a deficient number, since it is larger than the sum of its proper divisors (33716279).

130031305 is a wasteful number, since it uses less digits than its factorization.

130031305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456.

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

The square root of 130031305 is about 11403.1269834199. The cubic root of 130031305 is about 506.6203614096.

Adding to 130031305 its reverse (503130031), we get a palindrome (633161336).

The spelling of 130031305 in words is "one hundred thirty million, thirty-one thousand, three hundred five".