13131311103 has 36 divisors (see below), whose sum is σ = 20051923320. Its totient is φ = 8279524512.

The previous prime is 13131311057. The next prime is 13131311113. The reversal of 13131311103 is 30111313131.

It is not a de Polignac number, because 13131311103 - 2¹⁷ = 13131180031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131311113) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2138025 + ... + 2144157.

It is an arithmetic number, because the mean of its divisors is an integer number (556997870).

Almost surely, 2^13131311103 is an apocalyptic number.

13131311103 is a deficient number, since it is larger than the sum of its proper divisors (6920612217).

13131311103 is a wasteful number, since it uses less digits than its factorization.

13131311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6836 (or 6814 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 13131311103 its reverse (30111313131), we get a palindrome (43242624234).

The spelling of 13131311103 in words is "thirteen billion, one hundred thirty-one million, three hundred eleven thousand, one hundred three".