131011344241321 has 2 divisors, whose sum is σ = 131011344241322. Its totient is φ = 131011344241320.

The previous prime is 131011344241307. The next prime is 131011344241343. The reversal of 131011344241321 is 123142443110131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118937804151321 + 12073540090000 = 10905861^2 + 3474700^2 .

It is an emirp because it is prime and its reverse (123142443110131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131011344241321 - 2¹¹ = 131011344239273 is a prime.

It is not a weakly prime, because it can be changed into another prime (131011344341321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65505672120660 + 65505672120661.

It is an arithmetic number, because the mean of its divisors is an integer number (65505672120661).

Almost surely, 2^{131011344241321} is an apocalyptic number.

It is an amenable number.

131011344241321 is a deficient number, since it is larger than the sum of its proper divisors (1).

131011344241321 is an equidigital number, since it uses as much as digits as its factorization.

131011344241321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 131011344241321 its reverse (123142443110131), we get a palindrome (254153787351452).

The spelling of 131011344241321 in words is "one hundred thirty-one trillion, eleven billion, three hundred forty-four million, two hundred forty-one thousand, three hundred twenty-one".