13231021312003 has 32 divisors (see below), whose sum is σ = 15735650457600. Its totient is φ = 10989449049600.

The previous prime is 13231021311967. The next prime is 13231021312027. The reversal of 13231021312003 is 30021312013231.

It is a cyclic number.

It is not a de Polignac number, because 13231021312003 - 2⁹ = 13231021311491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231021312043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3965883 + ... + 6495403.

It is an arithmetic number, because the mean of its divisors is an integer number (491739076800).

Almost surely, 2^{13231021312003} is an apocalyptic number.

13231021312003 is a deficient number, since it is larger than the sum of its proper divisors (2504629145597).

13231021312003 is a wasteful number, since it uses less digits than its factorization.

13231021312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530443.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13231021312003 its reverse (30021312013231), we get a palindrome (43252333325234).

The spelling of 13231021312003 in words is "thirteen trillion, two hundred thirty-one billion, twenty-one million, three hundred twelve thousand, three".