13531144124 has 24 divisors (see below), whose sum is σ = 23922250128. Its totient is φ = 6696262400.

The previous prime is 13531144117. The next prime is 13531144129. The reversal of 13531144124 is 42144113531.

It is a super-2 number, since 2×13531144124² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531144129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136827 + ... + 2143149.

It is an arithmetic number, because the mean of its divisors is an integer number (996760422).

Almost surely, 2^13531144124 is an apocalyptic number.

It is an amenable number.

13531144124 is a deficient number, since it is larger than the sum of its proper divisors (10391106004).

13531144124 is a wasteful number, since it uses less digits than its factorization.

13531144124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11725 (or 11723 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

Adding to 13531144124 its reverse (42144113531), we get a palindrome (55675257655).

The spelling of 13531144124 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-four thousand, one hundred twenty-four".