13131523124215 has 16 divisors (see below), whose sum is σ = 15846722289216. Its totient is φ = 10445968915200.

The previous prime is 13131523124201. The next prime is 13131523124243. The reversal of 13131523124215 is 51242132513131.

It is not a de Polignac number, because 13131523124215 - 2⁹ = 13131523123703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7020574 + ... + 8692036.

It is an arithmetic number, because the mean of its divisors is an integer number (990420143076).

Almost surely, 2^{13131523124215} is an apocalyptic number.

13131523124215 is a deficient number, since it is larger than the sum of its proper divisors (2715199165001).

13131523124215 is a wasteful number, since it uses less digits than its factorization.

13131523124215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680330.

The product of its digits is 21600, while the sum is 34.

Adding to 13131523124215 its reverse (51242132513131), we get a palindrome (64373655637346).

The spelling of 13131523124215 in words is "thirteen trillion, one hundred thirty-one billion, five hundred twenty-three million, one hundred twenty-four thousand, two hundred fifteen".