131540303444 has 96 divisors (see below), whose sum is σ = 268743847680. Its totient is φ = 55731737600.

The previous prime is 131540303441. The next prime is 131540303459. The reversal of 131540303444 is 444303045131.

It is a super-2 number, since 2×131540303444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131540303444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131540303441) 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, 56967362 + ... + 56969670.

It is an arithmetic number, because the mean of its divisors is an integer number (2799415080).

Almost surely, 2^131540303444 is an apocalyptic number.

It is an amenable number.

131540303444 is an abundant number, since it is smaller than the sum of its proper divisors (137203544236).

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

131540303444 is a wasteful number, since it uses less digits than its factorization.

131540303444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761 (or 3759 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 131540303444 its reverse (444303045131), we get a palindrome (575843348575).

The spelling of 131540303444 in words is "one hundred thirty-one billion, five hundred forty million, three hundred three thousand, four hundred forty-four".