130304330 has 16 divisors (see below), whose sum is σ = 252590184. Its totient is φ = 48112320.

The previous prime is 130304329. The next prime is 130304341. The reversal of 130304330 is 33403031.

It can be written as a sum of positive squares in 4 ways, for example, as 60264169 + 70040161 = 7763^2 + 8369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130304299 and 130304308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501041 + ... + 501300.

Almost surely, 2^130304330 is an apocalyptic number.

130304330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130304330 is a deficient number, since it is larger than the sum of its proper divisors (122285854).

130304330 is a wasteful number, since it uses less digits than its factorization.

130304330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002361.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 130304330 is about 11415.0922028690. The cubic root of 130304330 is about 506.9746948715.

Adding to 130304330 its reverse (33403031), we get a palindrome (163707361).

The spelling of 130304330 in words is "one hundred thirty million, three hundred four thousand, three hundred thirty".