13143321403 has 16 divisors (see below), whose sum is σ = 13408030720. Its totient is φ = 12881441664.

The previous prime is 13143321397. The next prime is 13143321407. The reversal of 13143321403 is 30412334131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13143321403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13143321407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7627300 + ... + 7629022.

It is an arithmetic number, because the mean of its divisors is an integer number (838001920).

Almost surely, 2^13143321403 is an apocalyptic number.

13143321403 is a deficient number, since it is larger than the sum of its proper divisors (264709317).

13143321403 is a wasteful number, since it uses less digits than its factorization.

13143321403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13143321403 its reverse (30412334131), we get a palindrome (43555655534).

The spelling of 13143321403 in words is "thirteen billion, one hundred forty-three million, three hundred twenty-one thousand, four hundred three".