13103110131111 has 144 divisors (see below), whose sum is σ = 27387404317728. Its totient is φ = 5913608601600.

The previous prime is 13103110131071. The next prime is 13103110131119. The reversal of 13103110131111 is 11113101130131.

13103110131111 is a `hidden beast` number, since 1 + 31 + 0 + 311 + 0 + 1 + 311 + 11 = 666.

It is not a de Polignac number, because 13103110131111 - 2⁶ = 13103110131047 is a prime.

It is a super-2 number, since 2×13103110131111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103110131119) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5039050 + ... + 7183191.

It is an arithmetic number, because the mean of its divisors is an integer number (190190307762).

Almost surely, 2^{13103110131111} is an apocalyptic number.

13103110131111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13103110131111 is an abundant number, since it is smaller than the sum of its proper divisors (14284294186617).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13103110131111 is a wasteful number, since it uses less digits than its factorization.

13103110131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222302 (or 12222292 counting only the distinct ones).

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

Adding to 13103110131111 its reverse (11113101130131), we get a palindrome (24216211261242).

The spelling of 13103110131111 in words is "thirteen trillion, one hundred three billion, one hundred ten million, one hundred thirty-one thousand, one hundred eleven".