131044441 has 4 divisors (see below), whose sum is σ = 142957584. Its totient is φ = 119131300.

The previous prime is 131044439. The next prime is 131044447. The reversal of 131044441 is 144440131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131044441 - 2¹ = 131044439 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (131044447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5956555 + ... + 5956576.

It is an arithmetic number, because the mean of its divisors is an integer number (35739396).

Almost surely, 2^131044441 is an apocalyptic number.

131044441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131044441 is a deficient number, since it is larger than the sum of its proper divisors (11913143).

131044441 is a wasteful number, since it uses less digits than its factorization.

131044441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11913142.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 131044441 is about 11447.4643917332. The cubic root of 131044441 is about 507.9327325836.

Adding to 131044441 its reverse (144440131), we get a palindrome (275484572).

It can be divided in two parts, 131044 and 441, that multiplied together give a square (57790404 = 7602²).

The spelling of 131044441 in words is "one hundred thirty-one million, forty-four thousand, four hundred forty-one".