131441441 has 4 divisors (see below), whose sum is σ = 131485872. Its totient is φ = 131397012.

The previous prime is 131441437. The next prime is 131441447. The reversal of 131441441 is 144144131.

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 131441441 - 2² = 131441437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131441447) 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, 17435 + ... + 23808.

It is an arithmetic number, because the mean of its divisors is an integer number (32871468).

Almost surely, 2^131441441 is an apocalyptic number.

It is an amenable number.

131441441 is a deficient number, since it is larger than the sum of its proper divisors (44431).

131441441 is an equidigital number, since it uses as much as digits as its factorization.

131441441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44430.

The product of its digits is 768, while the sum is 23.

The square root of 131441441 is about 11464.7913631256. The cubic root of 131441441 is about 508.4451440035.

Adding to 131441441 its reverse (144144131), we get a palindrome (275585572).

The spelling of 131441441 in words is "one hundred thirty-one million, four hundred forty-one thousand, four hundred forty-one".