131043244144 has 80 divisors (see below), whose sum is σ = 267865911040. Its totient is φ = 62021376000.

The previous prime is 131043244133. The next prime is 131043244187. The reversal of 131043244144 is 441442340131.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5464372 + ... + 5488300.

It is an arithmetic number, because the mean of its divisors is an integer number (3348323888).

Almost surely, 2^131043244144 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 131043244144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133932955520).

131043244144 is an abundant number, since it is smaller than the sum of its proper divisors (136822666896).

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

131043244144 is a wasteful number, since it uses less digits than its factorization.

131043244144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24210 (or 24204 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 131043244144 its reverse (441442340131), we get a palindrome (572485584275).

The spelling of 131043244144 in words is "one hundred thirty-one billion, forty-three million, two hundred forty-four thousand, one hundred forty-four".