231346241261 has 2 divisors, whose sum is σ = 231346241262. Its totient is φ = 231346241260.

The previous prime is 231346241237. The next prime is 231346241279. The reversal of 231346241261 is 162142643132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216684664036 + 14661577225 = 465494^2 + 121085^2 .

It is a cyclic number.

It is not a de Polignac number, because 231346241261 - 2²⁶ = 231279132397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231346261261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115673120630 + 115673120631.

It is an arithmetic number, because the mean of its divisors is an integer number (115673120631).

Almost surely, 2^231346241261 is an apocalyptic number.

It is an amenable number.

231346241261 is a deficient number, since it is larger than the sum of its proper divisors (1).

231346241261 is an equidigital number, since it uses as much as digits as its factorization.

231346241261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

Adding to 231346241261 its reverse (162142643132), we get a palindrome (393488884393).

The spelling of 231346241261 in words is "two hundred thirty-one billion, three hundred forty-six million, two hundred forty-one thousand, two hundred sixty-one".