231313321241 has 2 divisors, whose sum is σ = 231313321242. Its totient is φ = 231313321240.

The previous prime is 231313321193. The next prime is 231313321247. The reversal of 231313321241 is 142123313132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228679065616 + 2634255625 = 478204^2 + 51325^2 .

It is a cyclic number.

It is not a de Polignac number, because 231313321241 - 2¹⁸ = 231313059097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231313321241.

It is not a weakly prime, because it can be changed into another prime (231313321247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115656660620 + 115656660621.

It is an arithmetic number, because the mean of its divisors is an integer number (115656660621).

Almost surely, 2^231313321241 is an apocalyptic number.

It is an amenable number.

231313321241 is a deficient number, since it is larger than the sum of its proper divisors (1).

231313321241 is an equidigital number, since it uses as much as digits as its factorization.

231313321241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

Adding to 231313321241 its reverse (142123313132), we get a palindrome (373436634373).

The spelling of 231313321241 in words is "two hundred thirty-one billion, three hundred thirteen million, three hundred twenty-one thousand, two hundred forty-one".