130320312 has 16 divisors (see below), whose sum is σ = 325800840. Its totient is φ = 43440096.

The previous prime is 130320299. The next prime is 130320319. The reversal of 130320312 is 213023031.

It is a junction number, because it is equal to n+sod(n) for n = 130320291 and 130320300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130320319) 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, 2714983 + ... + 2715030.

Almost surely, 2^130320312 is an apocalyptic number.

130320312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130320312 is an abundant number, since it is smaller than the sum of its proper divisors (195480528).

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

130320312 is a wasteful number, since it uses less digits than its factorization.

130320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430022 (or 5430018 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 130320312 is about 11415.7922195527. The cubic root of 130320312 is about 506.9954210651.

Adding to 130320312 its reverse (213023031), we get a palindrome (343343343).

The spelling of 130320312 in words is "one hundred thirty million, three hundred twenty thousand, three hundred twelve".