130304432 has 20 divisors (see below), whose sum is σ = 265753080. Its totient is φ = 61723008.

The previous prime is 130304431. The next prime is 130304441. The reversal of 130304432 is 234403031.

It is a super-3 number, since 3×130304432³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (130304431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214013 + ... + 214620.

It is an arithmetic number, because the mean of its divisors is an integer number (13287654).

Almost surely, 2^130304432 is an apocalyptic number.

It is an amenable number.

130304432 is an abundant number, since it is smaller than the sum of its proper divisors (135448648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130304432 is a wasteful number, since it uses less digits than its factorization.

130304432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428660 (or 428654 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 130304432 is about 11415.0966706375. The cubic root of 130304432 is about 506.9748271551.

Adding to 130304432 its reverse (234403031), we get a palindrome (364707463).

The spelling of 130304432 in words is "one hundred thirty million, three hundred four thousand, four hundred thirty-two".