13111111131003 has 6 divisors (see below), whose sum is σ = 18938271633684. Its totient is φ = 8740740753996.

The previous prime is 13111111130993. The next prime is 13111111131031. The reversal of 13111111131003 is 30013111111131.

13111111131003 is a `hidden beast` number, since 131 + 111 + 111 + 310 + 0 + 3 = 666.

It is not a de Polignac number, because 13111111131003 - 2²² = 13111106936699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13111111139003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 728395062825 + ... + 728395062842.

It is an arithmetic number, because the mean of its divisors is an integer number (3156378605614).

Almost surely, 2^{13111111131003} is an apocalyptic number.

13111111131003 is a deficient number, since it is larger than the sum of its proper divisors (5827160502681).

13111111131003 is a wasteful number, since it uses less digits than its factorization.

13111111131003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456790125673 (or 1456790125670 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 18.

Adding to 13111111131003 its reverse (30013111111131), we get a palindrome (43124222242134).

The spelling of 13111111131003 in words is "thirteen trillion, one hundred eleven billion, one hundred eleven million, one hundred thirty-one thousand, three".