13534020531 has 6 divisors (see below), whose sum is σ = 19549140780. Its totient is φ = 9022680348.

The previous prime is 13534020523. The next prime is 13534020541. The reversal of 13534020531 is 13502043531.

13534020531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13534020531 - 2³ = 13534020523 is a prime.

It is a super-2 number, since 2×13534020531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13534020495 and 13534020504.

It is not an unprimeable number, because it can be changed into a prime (13534020541) 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 5 ways as a sum of consecutive naturals, for example, 751890021 + ... + 751890038.

It is an arithmetic number, because the mean of its divisors is an integer number (3258190130).

Almost surely, 2^13534020531 is an apocalyptic number.

13534020531 is a deficient number, since it is larger than the sum of its proper divisors (6015120249).

13534020531 is a wasteful number, since it uses less digits than its factorization.

13534020531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503780065 (or 1503780062 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 13534020531 in words is "thirteen billion, five hundred thirty-four million, twenty thousand, five hundred thirty-one".