1304402031343 has 4 divisors (see below), whose sum is σ = 1304574601680. Its totient is φ = 1304229461008.

The previous prime is 1304402031263. The next prime is 1304402031353. The reversal of 1304402031343 is 3431302044031.

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

It is a cyclic number.

It is not a de Polignac number, because 1304402031343 - 2²⁹ = 1303865160431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304402031353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86273830 + ... + 86288947.

It is an arithmetic number, because the mean of its divisors is an integer number (326143650420).

Almost surely, 2^{1304402031343} is an apocalyptic number.

1304402031343 is a deficient number, since it is larger than the sum of its proper divisors (172570337).

1304402031343 is an equidigital number, since it uses as much as digits as its factorization.

1304402031343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172570336.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1304402031343 its reverse (3431302044031), we get a palindrome (4735704075374).

The spelling of 1304402031343 in words is "one trillion, three hundred four billion, four hundred two million, thirty-one thousand, three hundred forty-three".