130344321 has 16 divisors (see below), whose sum is σ = 184992768. Its totient is φ = 81350400.

The previous prime is 130344307. The next prime is 130344323. The reversal of 130344321 is 123443031.

It is not a de Polignac number, because 130344321 - 2¹⁵ = 130311553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130344323) 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 15 ways as a sum of consecutive naturals, for example, 3051 + ... + 16431.

It is an arithmetic number, because the mean of its divisors is an integer number (11562048).

Almost surely, 2^130344321 is an apocalyptic number.

It is an amenable number.

130344321 is a deficient number, since it is larger than the sum of its proper divisors (54648447).

130344321 is a wasteful number, since it uses less digits than its factorization.

130344321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13592.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 130344321 is about 11416.8437407192. The cubic root of 130344321 is about 507.0265538575.

Adding to 130344321 its reverse (123443031), we get a palindrome (253787352).

The spelling of 130344321 in words is "one hundred thirty million, three hundred forty-four thousand, three hundred twenty-one".