13131321124103 has 32 divisors (see below), whose sum is σ = 17185753742976. Its totient is φ = 9736494870528.

The previous prime is 13131321124099. The next prime is 13131321124111. The reversal of 13131321124103 is 30142112313131.

It is not a de Polignac number, because 13131321124103 - 2² = 13131321124099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131320124103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17854676 + ... + 18575577.

It is an arithmetic number, because the mean of its divisors is an integer number (537054804468).

Almost surely, 2^{13131321124103} is an apocalyptic number.

13131321124103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13131321124103 is a deficient number, since it is larger than the sum of its proper divisors (4054432618873).

13131321124103 is a wasteful number, since it uses less digits than its factorization.

13131321124103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36430523.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 13131321124103 its reverse (30142112313131), we get a palindrome (43273433437234).

The spelling of 13131321124103 in words is "thirteen trillion, one hundred thirty-one billion, three hundred twenty-one million, one hundred twenty-four thousand, one hundred three".