13321010003 has 24 divisors (see below), whose sum is σ = 15937662384. Its totient is φ = 11094720000.

The previous prime is 13321009979. The next prime is 13321010011. The reversal of 13321010003 is 30001012331.

It is not a de Polignac number, because 13321010003 - 2¹⁴ = 13320993619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13321010003.

It is not an unprimeable number, because it can be changed into a prime (13321010023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 491051 + ... + 517467.

It is an arithmetic number, because the mean of its divisors is an integer number (664069266).

Almost surely, 2^13321010003 is an apocalyptic number.

13321010003 is a deficient number, since it is larger than the sum of its proper divisors (2616652381).

13321010003 is a wasteful number, since it uses less digits than its factorization.

13321010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26723 (or 26716 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 13321010003 its reverse (30001012331), we get a palindrome (43322022334).

The spelling of 13321010003 in words is "thirteen billion, three hundred twenty-one million, ten thousand, three".