131324842 has 16 divisors (see below), whose sum is σ = 215721792. Its totient is φ = 59463520.

The previous prime is 131324839. The next prime is 131324849. The reversal of 131324842 is 248423131.

It is a self number, because there is not a number n which added to its sum of digits gives 131324842.

It is not an unprimeable number, because it can be changed into a prime (131324849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5563 + ... + 17134.

It is an arithmetic number, because the mean of its divisors is an integer number (13482612).

Almost surely, 2^131324842 is an apocalyptic number.

131324842 is a deficient number, since it is larger than the sum of its proper divisors (84396950).

131324842 is a wasteful number, since it uses less digits than its factorization.

131324842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22973.

The product of its digits is 4608, while the sum is 28.

The square root of 131324842 is about 11459.7051445489. The cubic root of 131324842 is about 508.2947557812.

Adding to 131324842 its reverse (248423131), we get a palindrome (379747973).

The spelling of 131324842 in words is "one hundred thirty-one million, three hundred twenty-four thousand, eight hundred forty-two".