13211312003 has 4 divisors (see below), whose sum is σ = 13240221240. Its totient is φ = 13182402768.

The previous prime is 13211311957. The next prime is 13211312011. The reversal of 13211312003 is 30021311231.

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 13211312003 - 2⁸ = 13211311747 is a prime.

It is a super-2 number, since 2×13211312003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13211312053) 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, 14453933 + ... + 14454846.

It is an arithmetic number, because the mean of its divisors is an integer number (3310055310).

Almost surely, 2^13211312003 is an apocalyptic number.

13211312003 is a deficient number, since it is larger than the sum of its proper divisors (28909237).

13211312003 is an equidigital number, since it uses as much as digits as its factorization.

13211312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28909236.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13211312003 its reverse (30021311231), we get a palindrome (43232623234).

The spelling of 13211312003 in words is "thirteen billion, two hundred eleven million, three hundred twelve thousand, three".