13124404535131 has 4 divisors (see below), whose sum is σ = 13134476988112. Its totient is φ = 13114332082152.

The previous prime is 13124404535083. The next prime is 13124404535147. The reversal of 13124404535131 is 13153540442131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13124404535131 is a prime.

It is a super-2 number, since 2×13124404535131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13124404535731) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5036224536 + ... + 5036227141.

It is an arithmetic number, because the mean of its divisors is an integer number (3283619247028).

Almost surely, 2^{13124404535131} is an apocalyptic number.

13124404535131 is a deficient number, since it is larger than the sum of its proper divisors (10072452981).

13124404535131 is a wasteful number, since it uses less digits than its factorization.

13124404535131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10072452980.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 13124404535131 its reverse (13153540442131), we get a palindrome (26277944977262).

The spelling of 13124404535131 in words is "thirteen trillion, one hundred twenty-four billion, four hundred four million, five hundred thirty-five thousand, one hundred thirty-one".