131441244 has 96 divisors (see below), whose sum is σ = 347155200. Its totient is φ = 38361600.

The previous prime is 131441243. The next prime is 131441249. The reversal of 131441244 is 442144131.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131441243) 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, 806307 + ... + 806469.

It is an arithmetic number, because the mean of its divisors is an integer number (3616200).

Almost surely, 2^131441244 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 131441244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173577600).

131441244 is an abundant number, since it is smaller than the sum of its proper divisors (215713956).

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

131441244 is a wasteful number, since it uses less digits than its factorization.

131441244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 131441244 is about 11464.7827716010. The cubic root of 131441244 is about 508.4448899899. Note that the first 3 decimals are identical.

Adding to 131441244 its reverse (442144131), we get a palindrome (573585375).

The spelling of 131441244 in words is "one hundred thirty-one million, four hundred forty-one thousand, two hundred forty-four".