13531124013 has 16 divisors (see below), whose sum is σ = 19831882752. Its totient is φ = 8138078000.

The previous prime is 13531124003. The next prime is 13531124027. The reversal of 13531124013 is 31042113531.

It is a cyclic number.

It is not a de Polignac number, because 13531124013 - 2²⁰ = 13530075437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531124003) 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, 1560693 + ... + 1569338.

It is an arithmetic number, because the mean of its divisors is an integer number (1239492672).

Almost surely, 2^13531124013 is an apocalyptic number.

It is an amenable number.

13531124013 is a deficient number, since it is larger than the sum of its proper divisors (6300758739).

13531124013 is a wasteful number, since it uses less digits than its factorization.

13531124013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130176.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 13531124013 its reverse (31042113531), we get a palindrome (44573237544).

The spelling of 13531124013 in words is "thirteen billion, five hundred thirty-one million, one hundred twenty-four thousand, thirteen".