131105234344 has 128 divisors (see below), whose sum is σ = 293990860800. Its totient is φ = 53638882560.

The previous prime is 131105234341. The next prime is 131105234413. The reversal of 131105234344 is 443432501131.

It is a super-2 number, since 2×131105234344² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131105234341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120169239 + ... + 120170329.

It is an arithmetic number, because the mean of its divisors is an integer number (2296803600).

Almost surely, 2^131105234344 is an apocalyptic number.

131105234344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131105234344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146995430400).

131105234344 is an abundant number, since it is smaller than the sum of its proper divisors (162885626456).

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

131105234344 is a wasteful number, since it uses less digits than its factorization.

131105234344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 131105234344 its reverse (443432501131), we get a palindrome (574537735475).

The spelling of 131105234344 in words is "one hundred thirty-one billion, one hundred five million, two hundred thirty-four thousand, three hundred forty-four".