1304431444103 has 4 divisors (see below), whose sum is σ = 1304952593808. Its totient is φ = 1303910294400.

The previous prime is 1304431444039. The next prime is 1304431444133. The reversal of 1304431444103 is 3014441344031.

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 1304431444103 - 2⁶ = 1304431444039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304431444103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304431444133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260571098 + ... + 260576103.

It is an arithmetic number, because the mean of its divisors is an integer number (326238148452).

Almost surely, 2^{1304431444103} is an apocalyptic number.

1304431444103 is a deficient number, since it is larger than the sum of its proper divisors (521149705).

1304431444103 is an equidigital number, since it uses as much as digits as its factorization.

1304431444103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521149704.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1304431444103 its reverse (3014441344031), we get a palindrome (4318872788134).

The spelling of 1304431444103 in words is "one trillion, three hundred four billion, four hundred thirty-one million, four hundred forty-four thousand, one hundred three".