131324444262 has 128 divisors (see below), whose sum is σ = 323940695040. Its totient is φ = 39099456000.

The previous prime is 131324444257. The next prime is 131324444291. The reversal of 131324444262 is 262444423131.

131324444262 is a `hidden beast` number, since 1 + 31 + 324 + 4 + 44 + 262 = 666.

It is a super-2 number, since 2×131324444262² (a number of 23 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 49313143 + ... + 49315805.

It is an arithmetic number, because the mean of its divisors is an integer number (2530786680).

Almost surely, 2^131324444262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131324444262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161970347520).

131324444262 is an abundant number, since it is smaller than the sum of its proper divisors (192616250778).

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

131324444262 is a wasteful number, since it uses less digits than its factorization.

131324444262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107 (or 4101 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 131324444262 its reverse (262444423131), we get a palindrome (393768867393).

The spelling of 131324444262 in words is "one hundred thirty-one billion, three hundred twenty-four million, four hundred forty-four thousand, two hundred sixty-two".