13531352131 has 8 divisors (see below), whose sum is σ = 14762752704. Its totient is φ = 12300164520.

The previous prime is 13531352069. The next prime is 13531352183. The reversal of 13531352131 is 13125313531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13531352131 is a prime.

It is a super-2 number, since 2×13531352131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13531352131.

It is not an unprimeable number, because it can be changed into a prime (13531352231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98416 + ... + 191698.

It is an arithmetic number, because the mean of its divisors is an integer number (1845344088).

Almost surely, 2^13531352131 is an apocalyptic number.

13531352131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13531352131 is a deficient number, since it is larger than the sum of its proper divisors (1231400573).

13531352131 is a wasteful number, since it uses less digits than its factorization.

13531352131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106481.

The product of its digits is 4050, while the sum is 28.

Adding to 13531352131 its reverse (13125313531), we get a palindrome (26656665662).

The spelling of 13531352131 in words is "thirteen billion, five hundred thirty-one million, three hundred fifty-two thousand, one hundred thirty-one".