131044242041 has 4 divisors (see below), whose sum is σ = 131048950692. Its totient is φ = 131039533392.

The previous prime is 131044242031. The next prime is 131044242047. The reversal of 131044242041 is 140242440131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68764048441 + 62280193600 = 262229^2 + 249560^2 .

It is a cyclic number.

It is not a de Polignac number, because 131044242041 - 2¹⁰ = 131044241017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131044242041.

It is not an unprimeable number, because it can be changed into a prime (131044242047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2312330 + ... + 2368323.

It is an arithmetic number, because the mean of its divisors is an integer number (32762237673).

Almost surely, 2^131044242041 is an apocalyptic number.

It is an amenable number.

131044242041 is a deficient number, since it is larger than the sum of its proper divisors (4708651).

131044242041 is an equidigital number, since it uses as much as digits as its factorization.

131044242041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708650.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 131044242041 its reverse (140242440131), we get a palindrome (271286682172).

The spelling of 131044242041 in words is "one hundred thirty-one billion, forty-four million, two hundred forty-two thousand, forty-one".