13524042531 has 16 divisors (see below), whose sum is σ = 18950100224. Its totient is φ = 8568340704.

The previous prime is 13524042517. The next prime is 13524042541.

13524042531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13524042531 - 2⁷ = 13524042403 is a prime.

It is a super-2 number, since 2×13524042531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13524042541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1411951 + ... + 1421496.

It is an arithmetic number, because the mean of its divisors is an integer number (1184381264).

Almost surely, 2^13524042531 is an apocalyptic number.

13524042531 is a deficient number, since it is larger than the sum of its proper divisors (5426057693).

13524042531 is a wasteful number, since it uses less digits than its factorization.

13524042531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833530.

The product of its (nonzero) digits is 14400, while the sum is 30.

It can be divided in two parts, 135240 and 42531, that added together give a palindrome (177771).

The spelling of 13524042531 in words is "thirteen billion, five hundred twenty-four million, forty-two thousand, five hundred thirty-one".