13313321203 has 16 divisors (see below), whose sum is σ = 16766692096. Its totient is φ = 10288645920.

The previous prime is 13313321179. The next prime is 13313321213. The reversal of 13313321203 is 30212331331.

It is a de Polignac number, because none of the positive numbers 2^k-13313321203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13313321213) 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, 1697253 + ... + 1705078.

It is an arithmetic number, because the mean of its divisors is an integer number (1047918256).

Almost surely, 2^13313321203 is an apocalyptic number.

13313321203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13313321203 is a deficient number, since it is larger than the sum of its proper divisors (3453370893).

13313321203 is a wasteful number, since it uses less digits than its factorization.

13313321203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402394.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13313321203 its reverse (30212331331), we get a palindrome (43525652534).

The spelling of 13313321203 in words is "thirteen billion, three hundred thirteen million, three hundred twenty-one thousand, two hundred three".