130303321 has 4 divisors (see below), whose sum is σ = 132088372. Its totient is φ = 128518272.

The previous prime is 130303319. The next prime is 130303337. The reversal of 130303321 is 123303031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113656921 + 16646400 = 10661^2 + 4080^2 .

It is a cyclic number.

It is not a de Polignac number, because 130303321 - 2¹ = 130303319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130303295 and 130303304.

It is not an unprimeable number, because it can be changed into a prime (130303361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892416 + ... + 892561.

It is an arithmetic number, because the mean of its divisors is an integer number (33022093).

Almost surely, 2^130303321 is an apocalyptic number.

It is an amenable number.

130303321 is a deficient number, since it is larger than the sum of its proper divisors (1785051).

130303321 is an equidigital number, since it uses as much as digits as its factorization.

130303321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785050.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 130303321 is about 11415.0480069074. The cubic root of 130303321 is about 506.9733862969.

Adding to 130303321 its reverse (123303031), we get a palindrome (253606352).

The spelling of 130303321 in words is "one hundred thirty million, three hundred three thousand, three hundred twenty-one".