13531413531 has 8 divisors (see below), whose sum is σ = 18142678080. Its totient is φ = 8970545672.

The previous prime is 13531413509. The next prime is 13531413569.

13531413531 is nontrivially palindromic in base 10.

13531413531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13531413531 - 2¹¹ = 13531411483 is a prime.

It is a super-2 number, since 2×13531413531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13531413031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12598545 + ... + 12599618.

It is an arithmetic number, because the mean of its divisors is an integer number (2267834760).

Almost surely, 2^13531413531 is an apocalyptic number.

13531413531 is a deficient number, since it is larger than the sum of its proper divisors (4611264549).

13531413531 is a wasteful number, since it uses less digits than its factorization.

13531413531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25198345.

The product of its digits is 8100, while the sum is 30.

The spelling of 13531413531 in words is "thirteen billion, five hundred thirty-one million, four hundred thirteen thousand, five hundred thirty-one".