13103211303 has 24 divisors (see below), whose sum is σ = 23294599328. Its totient is φ = 6911583552.

The previous prime is 13103211269. The next prime is 13103211307. The reversal of 13103211303 is 30311230131.

It is a happy number.

13103211303 is a `hidden beast` number, since 1 + 310 + 321 + 1 + 30 + 3 = 666.

It is not a de Polignac number, because 13103211303 - 2¹⁴ = 13103194919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103211307) 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, 7998700 + ... + 8000337.

Almost surely, 2^13103211303 is an apocalyptic number.

13103211303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13103211303 is a deficient number, since it is larger than the sum of its proper divisors (10191388025).

13103211303 is a wasteful number, since it uses less digits than its factorization.

13103211303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15999063 (or 15999060 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13103211303 its reverse (30311230131), we get a palindrome (43414441434).

The spelling of 13103211303 in words is "thirteen billion, one hundred three million, two hundred eleven thousand, three hundred three".