1304431601003 has 4 divisors (see below), whose sum is σ = 1304436193368. Its totient is φ = 1304427008640.

The previous prime is 1304431600963. The next prime is 1304431601071. The reversal of 1304431601003 is 3001061344031.

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 1304431601003 - 2³² = 1300136633707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304431801003) 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, 1839893 + ... + 2448278.

It is an arithmetic number, because the mean of its divisors is an integer number (326109048342).

Almost surely, 2^{1304431601003} is an apocalyptic number.

1304431601003 is a deficient number, since it is larger than the sum of its proper divisors (4592365).

1304431601003 is an equidigital number, since it uses as much as digits as its factorization.

1304431601003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592364.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1304431601003 its reverse (3001061344031), we get a palindrome (4305492945034).

The spelling of 1304431601003 in words is "one trillion, three hundred four billion, four hundred thirty-one million, six hundred one thousand, three".