1313404003 has 8 divisors (see below), whose sum is σ = 1390979520. Its totient is φ = 1235863680.

The previous prime is 1313403989. The next prime is 1313404007. The reversal of 1313404003 is 3004043131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313404003 - 2⁹ = 1313403491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313404007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143793 + ... + 152653.

It is an arithmetic number, because the mean of its divisors is an integer number (173872440).

Almost surely, 2^1313404003 is an apocalyptic number.

1313404003 is a deficient number, since it is larger than the sum of its proper divisors (77575517).

1313404003 is an equidigital number, since it uses as much as digits as its factorization.

1313404003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17597.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1313404003 is about 36240.9161446010. The cubic root of 1313404003 is about 1095.1310986118.

Adding to 1313404003 its reverse (3004043131), we get a palindrome (4317447134).

The spelling of 1313404003 in words is "one billion, three hundred thirteen million, four hundred four thousand, three".