131444341 has 8 divisors (see below), whose sum is σ = 151145024. Its totient is φ = 111974400.

The previous prime is 131444321. The next prime is 131444347. The reversal of 131444341 is 143444131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 7-Lehmer number, since φ(131444341) divides (131444341-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 131444341 - 2²³ = 123055733 is a prime.

It is a super-2 number, since 2×131444341² = 34555229561848562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131444347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56460 + ... + 58741.

It is an arithmetic number, because the mean of its divisors is an integer number (18893128).

Almost surely, 2^131444341 is an apocalyptic number.

It is an amenable number.

131444341 is a deficient number, since it is larger than the sum of its proper divisors (19700683).

131444341 is a wasteful number, since it uses less digits than its factorization.

131444341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115371.

The product of its digits is 2304, while the sum is 25.

The square root of 131444341 is about 11464.9178366005. The cubic root of 131444341 is about 508.4488832607.

Adding to 131444341 its reverse (143444131), we get a palindrome (274888472).

The spelling of 131444341 in words is "one hundred thirty-one million, four hundred forty-four thousand, three hundred forty-one".