131110043112244 has 72 divisors (see below), whose sum is σ = 267238804097160. Its totient is φ = 56119259750400.

The previous prime is 131110043112241. The next prime is 131110043112271. The reversal of 131110043112244 is 442211340011131.

It can be written as a sum of positive squares in 4 ways, for example, as 16550739427600 + 114559303684644 = 4068260^2 + 10703238^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131110043112241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 973939212 + ... + 974073820.

It is an arithmetic number, because the mean of its divisors is an integer number (3711650056905).

Almost surely, 2^{131110043112244} is an apocalyptic number.

131110043112244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131110043112244 is an abundant number, since it is smaller than the sum of its proper divisors (136128760984916).

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

131110043112244 is a wasteful number, since it uses less digits than its factorization.

131110043112244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140849 (or 140840 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 131110043112244 its reverse (442211340011131), we get a palindrome (573321383123375).

The spelling of 131110043112244 in words is "one hundred thirty-one trillion, one hundred ten billion, forty-three million, one hundred twelve thousand, two hundred forty-four".