131404104244201 has 4 divisors (see below), whose sum is σ = 131878487292292. Its totient is φ = 130929721196112.

The previous prime is 131404104244163. The next prime is 131404104244219. The reversal of 131404104244201 is 102442401404131.

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 68523644965801 + 62880459278400 = 8277901^2 + 7929720^2 .

It is a cyclic number.

It is not a de Polignac number, because 131404104244201 - 2⁷ = 131404104244073 is a prime.

It is a super-2 number, since 2×131404104244201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131404104244261) 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, 237191523630 + ... + 237191524183.

It is an arithmetic number, because the mean of its divisors is an integer number (32969621823073).

Almost surely, 2^{131404104244201} is an apocalyptic number.

It is an amenable number.

131404104244201 is a deficient number, since it is larger than the sum of its proper divisors (474383048091).

131404104244201 is an equidigital number, since it uses as much as digits as its factorization.

131404104244201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474383048090.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 131404104244201 its reverse (102442401404131), we get a palindrome (233846505648332).

The spelling of 131404104244201 in words is "one hundred thirty-one trillion, four hundred four billion, one hundred four million, two hundred forty-four thousand, two hundred one".