131241324241 has 2 divisors, whose sum is σ = 131241324242. Its totient is φ = 131241324240.

The previous prime is 131241324211. The next prime is 131241324281. The reversal of 131241324241 is 142423142131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129399197841 + 1842126400 = 359721^2 + 42920^2 .

It is a cyclic number.

It is not a de Polignac number, because 131241324241 - 2¹¹ = 131241322193 is a prime.

It is not a weakly prime, because it can be changed into another prime (131241324211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65620662120 + 65620662121.

It is an arithmetic number, because the mean of its divisors is an integer number (65620662121).

Almost surely, 2^131241324241 is an apocalyptic number.

It is an amenable number.

131241324241 is a deficient number, since it is larger than the sum of its proper divisors (1).

131241324241 is an equidigital number, since it uses as much as digits as its factorization.

131241324241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 28.

Adding to 131241324241 its reverse (142423142131), we get a palindrome (273664466372).

The spelling of 131241324241 in words is "one hundred thirty-one billion, two hundred forty-one million, three hundred twenty-four thousand, two hundred forty-one".