131344345303044 has 96 divisors (see below), whose sum is σ = 324586223087616. Its totient is φ = 41250545909760.

The previous prime is 131344345303019. The next prime is 131344345303057. The reversal of 131344345303044 is 440303543443131.

It is a junction number, because it is equal to n+sod(n) for n = 131344345302987 and 131344345303005.

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 31 ways as a sum of consecutive naturals, for example, 345073924 + ... + 345454340.

It is an arithmetic number, because the mean of its divisors is an integer number (3381106490496).

Almost surely, 2^{131344345303044} 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 131344345303044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162293111543808).

131344345303044 is an abundant number, since it is smaller than the sum of its proper divisors (193241877784572).

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

131344345303044 is a wasteful number, since it uses less digits than its factorization.

131344345303044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399185 (or 399183 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 42.

Adding to 131344345303044 its reverse (440303543443131), we get a palindrome (571647888746175).

The spelling of 131344345303044 in words is "one hundred thirty-one trillion, three hundred forty-four billion, three hundred forty-five million, three hundred three thousand, forty-four".