13312321003 has 8 divisors (see below), whose sum is σ = 13400007696. Its totient is φ = 13224708000.

The previous prime is 13312320991. The next prime is 13312321007. The reversal of 13312321003 is 30012321331.

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 13312321003 - 2⁹ = 13312320491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13312321007) 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, 370953 + ... + 405253.

It is an arithmetic number, because the mean of its divisors is an integer number (1675000962).

Almost surely, 2^13312321003 is an apocalyptic number.

13312321003 is a deficient number, since it is larger than the sum of its proper divisors (87686693).

13312321003 is a wasteful number, since it uses less digits than its factorization.

13312321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36845.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13312321003 its reverse (30012321331), we get a palindrome (43324642334).

The spelling of 13312321003 in words is "thirteen billion, three hundred twelve million, three hundred twenty-one thousand, three".