131244441 has 8 divisors (see below), whose sum is σ = 175078080. Its totient is φ = 87453552.

The previous prime is 131244433. The next prime is 131244469. The reversal of 131244441 is 144442131.

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

It is not a de Polignac number, because 131244441 - 2³ = 131244433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131244431) 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, 2661 + ... + 16418.

It is an arithmetic number, because the mean of its divisors is an integer number (21884760).

Almost surely, 2^131244441 is an apocalyptic number.

It is an amenable number.

131244441 is a deficient number, since it is larger than the sum of its proper divisors (43833639).

131244441 is a wasteful number, since it uses less digits than its factorization.

131244441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21375.

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

The square root of 131244441 is about 11456.1966201702. The cubic root of 131244441 is about 508.1910035158.

Adding to 131244441 its reverse (144442131), we get a palindrome (275686572).

It can be divided in two parts, 1312 and 44441, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 131244441 in words is "one hundred thirty-one million, two hundred forty-four thousand, four hundred forty-one".