130304232 has 96 divisors (see below), whose sum is σ = 371596680. Its totient is φ = 41195520.

The previous prime is 130304231. The next prime is 130304267. The reversal of 130304232 is 232403031.

130304232 is a `hidden beast` number, since 130 + 304 + 232 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 106626276 + 23677956 = 10326^2 + 4866^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (130304231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108628 + ... + 109820.

Almost surely, 2^130304232 is an apocalyptic number.

130304232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130304232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185798340).

130304232 is an abundant number, since it is smaller than the sum of its proper divisors (241292448).

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

130304232 is a wasteful number, since it uses less digits than its factorization.

130304232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 130304232 is about 11415.0879103054. The cubic root of 130304232 is about 506.9745677753.

Adding to 130304232 its reverse (232403031), we get a palindrome (362707263).

The spelling of 130304232 in words is "one hundred thirty million, three hundred four thousand, two hundred thirty-two".