130321312 has 48 divisors (see below), whose sum is σ = 292082112. Its totient is φ = 56657920.

The previous prime is 130321307. The next prime is 130321313. The reversal of 130321312 is 213123031.

It is a super-2 number, since 2×130321312² = 33967288722802688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (130321313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48 + ... + 16144.

It is an arithmetic number, because the mean of its divisors is an integer number (6085044).

Almost surely, 2^130321312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130321312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146041056).

130321312 is an abundant number, since it is smaller than the sum of its proper divisors (161760800).

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

130321312 is a wasteful number, since it uses less digits than its factorization.

130321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16141 (or 16133 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 130321312 is about 11415.8360184439. The cubic root of 130321312 is about 506.9967178549.

Adding to 130321312 its reverse (213123031), we get a palindrome (343444343).

The spelling of 130321312 in words is "one hundred thirty million, three hundred twenty-one thousand, three hundred twelve".