13311221203 has 16 divisors (see below), whose sum is σ = 15286841856. Its totient is φ = 11354175360.

The previous prime is 13311221167. The next prime is 13311221213. The reversal of 13311221203 is 30212211331.

It is a cyclic number.

It is not a de Polignac number, because 13311221203 - 2¹⁷ = 13311090131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311221213) 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, 4491000 + ... + 4493962.

It is an arithmetic number, because the mean of its divisors is an integer number (955427616).

Almost surely, 2^13311221203 is an apocalyptic number.

13311221203 is a deficient number, since it is larger than the sum of its proper divisors (1975620653).

13311221203 is a wasteful number, since it uses less digits than its factorization.

13311221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5874.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13311221203 its reverse (30212211331), we get a palindrome (43523432534).

The spelling of 13311221203 in words is "thirteen billion, three hundred eleven million, two hundred twenty-one thousand, two hundred three".