13531103124 has 48 divisors (see below), whose sum is σ = 39363211776. Its totient is φ = 3514572000.

The previous prime is 13531103087. The next prime is 13531103171. The reversal of 13531103124 is 42130113531.

It is a junction number, because it is equal to n+sod(n) for n = 13531103094 and 13531103103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7321102 + ... + 7322949.

It is an arithmetic number, because the mean of its divisors is an integer number (820066912).

Almost surely, 2^13531103124 is an apocalyptic number.

13531103124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13531103124 is an abundant number, since it is smaller than the sum of its proper divisors (25832108652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13531103124 is a wasteful number, since it uses less digits than its factorization.

13531103124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14644076 (or 14644074 counting only the distinct ones).

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

Adding to 13531103124 its reverse (42130113531), we get a palindrome (55661216655).

The spelling of 13531103124 in words is "thirteen billion, five hundred thirty-one million, one hundred three thousand, one hundred twenty-four".