130343443 has 4 divisors (see below), whose sum is σ = 131993440. Its totient is φ = 128693448.

The previous prime is 130343419. The next prime is 130343453. The reversal of 130343443 is 344343031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344343031 = 6689 ⋅51479.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130343443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130343413) 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, 824880 + ... + 825037.

It is an arithmetic number, because the mean of its divisors is an integer number (32998360).

Almost surely, 2^130343443 is an apocalyptic number.

130343443 is a deficient number, since it is larger than the sum of its proper divisors (1649997).

130343443 is an equidigital number, since it uses as much as digits as its factorization.

130343443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649996.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 130343443 is about 11416.8052886961. The cubic root of 130343443 is about 507.0254154104.

Adding to 130343443 its reverse (344343031), we get a palindrome (474686474).

The spelling of 130343443 in words is "one hundred thirty million, three hundred forty-three thousand, four hundred forty-three".