131324382 has 64 divisors (see below), whose sum is σ = 336860160. Its totient is φ = 37145952.

The previous prime is 131324381. The next prime is 131324387. The reversal of 131324382 is 283423131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131324381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37248 + ... + 40620.

It is an arithmetic number, because the mean of its divisors is an integer number (5263440).

Almost surely, 2^131324382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131324382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168430080).

131324382 is an abundant number, since it is smaller than the sum of its proper divisors (205535778).

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

131324382 is a wasteful number, since it uses less digits than its factorization.

131324382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494 (or 3488 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 131324382 is about 11459.6850742069. The cubic root of 131324382 is about 508.2941623016.

The spelling of 131324382 in words is "one hundred thirty-one million, three hundred twenty-four thousand, three hundred eighty-two".