311432223241 has 2 divisors, whose sum is σ = 311432223242. Its totient is φ = 311432223240.

The previous prime is 311432223227. The next prime is 311432223379. The reversal of 311432223241 is 142322234113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276171270400 + 35260952841 = 525520^2 + 187779^2 .

It is a cyclic number.

It is not a de Polignac number, because 311432223241 - 2¹⁹ = 311431698953 is a prime.

It is not a weakly prime, because it can be changed into another prime (311432223041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155716111620 + 155716111621.

It is an arithmetic number, because the mean of its divisors is an integer number (155716111621).

Almost surely, 2^311432223241 is an apocalyptic number.

It is an amenable number.

311432223241 is a deficient number, since it is larger than the sum of its proper divisors (1).

311432223241 is an equidigital number, since it uses as much as digits as its factorization.

311432223241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 28.

Adding to 311432223241 its reverse (142322234113), we get a palindrome (453754457354).

The spelling of 311432223241 in words is "three hundred eleven billion, four hundred thirty-two million, two hundred twenty-three thousand, two hundred forty-one".