130243312 has 20 divisors (see below), whose sum is σ = 255184560. Its totient is φ = 64389248.

The previous prime is 130243303. The next prime is 130243331. The reversal of 130243312 is 213342031.

It is a self number, because there is not a number n which added to its sum of digits gives 130243312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44308 + ... + 47155.

It is an arithmetic number, because the mean of its divisors is an integer number (12759228).

Almost surely, 2^130243312 is an apocalyptic number.

It is an amenable number.

130243312 is a deficient number, since it is larger than the sum of its proper divisors (124941248).

130243312 is an equidigital number, since it uses as much as digits as its factorization.

130243312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91560 (or 91554 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 130243312 is about 11412.4192001521. The cubic root of 130243312 is about 506.8955483284.

Adding to 130243312 its reverse (213342031), we get a palindrome (343585343).

The spelling of 130243312 in words is "one hundred thirty million, two hundred forty-three thousand, three hundred twelve".