131324444316 has 144 divisors (see below), whose sum is σ = 370964971104. Its totient is φ = 40382447616.

The previous prime is 131324444291. The next prime is 131324444341. The reversal of 131324444316 is 613444423131.

131324444316 is a `hidden beast` number, since 1 + 313 + 24 + 4 + 4 + 4 + 316 = 666.

It is an interprime number because it is at equal distance from previous prime (131324444291) and next prime (131324444341).

It is a super-2 number, since 2×131324444316² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39637476 + ... + 39640788.

Almost surely, 2^131324444316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131324444316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185482485552).

131324444316 is an abundant number, since it is smaller than the sum of its proper divisors (239640526788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131324444316 is a wasteful number, since it uses less digits than its factorization.

131324444316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482 (or 6468 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

Adding to 131324444316 its reverse (613444423131), we get a palindrome (744768867447).

The spelling of 131324444316 in words is "one hundred thirty-one billion, three hundred twenty-four million, four hundred forty-four thousand, three hundred sixteen".