13111103110031 has 16 divisors (see below), whose sum is σ = 13545324318720. Its totient is φ = 12677589365760.

The previous prime is 13111103109911. The next prime is 13111103110051. The reversal of 13111103110031 is 13001130111131.

It is a cyclic number.

It is not a de Polignac number, because 13111103110031 - 2¹⁰ = 13111103109007 is a prime.

It is a super-2 number, since 2×13111103110031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13111103109991 and 13111103110009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111103110051) 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, 518151326 + ... + 518176628.

It is an arithmetic number, because the mean of its divisors is an integer number (846582769920).

Almost surely, 2^{13111103110031} is an apocalyptic number.

13111103110031 is a deficient number, since it is larger than the sum of its proper divisors (434221208689).

13111103110031 is a wasteful number, since it uses less digits than its factorization.

13111103110031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38606.

The product of its (nonzero) digits is 27, while the sum is 17.

Adding to 13111103110031 its reverse (13001130111131), we get a palindrome (26112233221162).

The spelling of 13111103110031 in words is "thirteen trillion, one hundred eleven billion, one hundred three million, one hundred ten thousand, thirty-one".