131527234531 has 16 divisors (see below), whose sum is σ = 166291619328. Its totient is φ = 101045246400.

The previous prime is 131527234529. The next prime is 131527234541. The reversal of 131527234531 is 135432725131.

It is not a de Polignac number, because 131527234531 - 2¹ = 131527234529 is a prime.

It is a super-2 number, since 2×131527234531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131527234511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12023730 + ... + 12034663.

It is an arithmetic number, because the mean of its divisors is an integer number (10393226208).

Almost surely, 2^131527234531 is an apocalyptic number.

131527234531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131527234531 is a deficient number, since it is larger than the sum of its proper divisors (34764384797).

131527234531 is a wasteful number, since it uses less digits than its factorization.

131527234531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24058482.

The product of its digits is 75600, while the sum is 37.

Adding to 131527234531 its reverse (135432725131), we get a palindrome (266959959662).

The spelling of 131527234531 in words is "one hundred thirty-one billion, five hundred twenty-seven million, two hundred thirty-four thousand, five hundred thirty-one".