231231020341 has 2 divisors, whose sum is σ = 231231020342. Its totient is φ = 231231020340.

The previous prime is 231231020309. The next prime is 231231020381. The reversal of 231231020341 is 143020132132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230731319025 + 499701316 = 480345^2 + 22354^2 .

It is a cyclic number.

It is not a de Polignac number, because 231231020341 - 2⁵ = 231231020309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231231020381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115615510170 + 115615510171.

It is an arithmetic number, because the mean of its divisors is an integer number (115615510171).

Almost surely, 2^231231020341 is an apocalyptic number.

It is an amenable number.

231231020341 is a deficient number, since it is larger than the sum of its proper divisors (1).

231231020341 is an equidigital number, since it uses as much as digits as its factorization.

231231020341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231231020341 its reverse (143020132132), we get a palindrome (374251152473).

The spelling of 231231020341 in words is "two hundred thirty-one billion, two hundred thirty-one million, twenty thousand, three hundred forty-one".