131444041 has 2 divisors, whose sum is σ = 131444042. Its totient is φ = 131444040.

The previous prime is 131444023. The next prime is 131444069. The reversal of 131444041 is 140444131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90535225 + 40908816 = 9515^2 + 6396^2 .

It is a cyclic number.

It is not a de Polignac number, because 131444041 - 2⁵ = 131444009 is a prime.

It is not a weakly prime, because it can be changed into another prime (131444441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65722020 + 65722021.

It is an arithmetic number, because the mean of its divisors is an integer number (65722021).

Almost surely, 2^131444041 is an apocalyptic number.

It is an amenable number.

131444041 is a deficient number, since it is larger than the sum of its proper divisors (1).

131444041 is an equidigital number, since it uses as much as digits as its factorization.

131444041 is an evil number, because the sum of its binary digits is even.

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

The square root of 131444041 is about 11464.9047532023. The cubic root of 131444041 is about 508.4484964435.

Adding to 131444041 its reverse (140444131), we get a palindrome (271888172).

The spelling of 131444041 in words is "one hundred thirty-one million, four hundred forty-four thousand, forty-one".