131324563 has 4 divisors (see below), whose sum is σ = 131363680. Its totient is φ = 131285448.

The previous prime is 131324551. The next prime is 131324569. The reversal of 131324563 is 365423131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131324563 - 2¹³ = 131316371 is a prime.

It is a super-2 number, since 2×131324563² = 34492281694281938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131324569) 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 3 ways as a sum of consecutive naturals, for example, 13995 + ... + 21412.

It is an arithmetic number, because the mean of its divisors is an integer number (32840920).

Almost surely, 2^131324563 is an apocalyptic number.

131324563 is a deficient number, since it is larger than the sum of its proper divisors (39117).

131324563 is an equidigital number, since it uses as much as digits as its factorization.

131324563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39116.

The product of its digits is 6480, while the sum is 28.

The square root of 131324563 is about 11459.6929714543. The cubic root of 131324563 is about 508.2943958231.

Adding to 131324563 its reverse (365423131), we get a palindrome (496747694).

The spelling of 131324563 in words is "one hundred thirty-one million, three hundred twenty-four thousand, five hundred sixty-three".