1304342443 has 16 divisors (see below), whose sum is σ = 1390821696. Its totient is φ = 1220567040.

The previous prime is 1304342411. The next prime is 1304342549. The reversal of 1304342443 is 3442434031.

It is a cyclic number.

It is not a de Polignac number, because 1304342443 - 2⁵ = 1304342411 is a prime.

It is a super-2 number, since 2×1304342443² = 3402618417222416498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304352443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268371 + ... + 273187.

It is an arithmetic number, because the mean of its divisors is an integer number (86926356).

Almost surely, 2^1304342443 is an apocalyptic number.

1304342443 is a deficient number, since it is larger than the sum of its proper divisors (86479253).

1304342443 is a wasteful number, since it uses less digits than its factorization.

1304342443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 1304342443 is about 36115.6814001896. The cubic root of 1304342443 is about 1092.6067405443.

Adding to 1304342443 its reverse (3442434031), we get a palindrome (4746776474).

The spelling of 1304342443 in words is "one billion, three hundred four million, three hundred forty-two thousand, four hundred forty-three".