131032540344 has 32 divisors (see below), whose sum is σ = 329474895120. Its totient is φ = 43425040896.

The previous prime is 131032540321. The next prime is 131032540349. The reversal of 131032540344 is 443045230131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131032540349) 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 7 ways as a sum of consecutive naturals, for example, 15775297 + ... + 15783600.

Almost surely, 2^131032540344 is an apocalyptic number.

It is an amenable number.

131032540344 is an abundant number, since it is smaller than the sum of its proper divisors (198442354776).

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

131032540344 is a wasteful number, since it uses less digits than its factorization.

131032540344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31559079 (or 31559075 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 131032540344 its reverse (443045230131), we get a palindrome (574077770475).

The spelling of 131032540344 in words is "one hundred thirty-one billion, thirty-two million, five hundred forty thousand, three hundred forty-four".