130310032 has 20 divisors (see below), whose sum is σ = 267327756. Its totient is φ = 61322240.

The previous prime is 130310029. The next prime is 130310039. The reversal of 130310032 is 230013031.

It can be written as a sum of positive squares in 2 ways, for example, as 118722816 + 11587216 = 10896^2 + 3404^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130309994 and 130310021.

It is not an unprimeable number, because it can be changed into a prime (130310039) 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, 239269 + ... + 239812.

Almost surely, 2^130310032 is an apocalyptic number.

It is an amenable number.

130310032 is an abundant number, since it is smaller than the sum of its proper divisors (137017724).

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

130310032 is a wasteful number, since it uses less digits than its factorization.

130310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479106 (or 479100 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 130310032 is about 11415.3419572083. The cubic root of 130310032 is about 506.9820896821.

Adding to 130310032 its reverse (230013031), we get a palindrome (360323063).

The spelling of 130310032 in words is "one hundred thirty million, three hundred ten thousand, thirty-two".