231232322141 has 2 divisors, whose sum is σ = 231232322142. Its totient is φ = 231232322140.

The previous prime is 231232322119. The next prime is 231232322203. The reversal of 231232322141 is 141223232132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217315401241 + 13916920900 = 466171^2 + 117970^2 .

It is a cyclic number.

It is not a de Polignac number, because 231232322141 - 2⁶ = 231232322077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 231232322141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231232328141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115616161070 + 115616161071.

It is an arithmetic number, because the mean of its divisors is an integer number (115616161071).

Almost surely, 2^231232322141 is an apocalyptic number.

It is an amenable number.

231232322141 is a deficient number, since it is larger than the sum of its proper divisors (1).

231232322141 is an equidigital number, since it uses as much as digits as its factorization.

231232322141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

Adding to 231232322141 its reverse (141223232132), we get a palindrome (372455554273).

Subtracting from 231232322141 its reverse (141223232132), we obtain a palindrome (90009090009).

The spelling of 231232322141 in words is "two hundred thirty-one billion, two hundred thirty-two million, three hundred twenty-two thousand, one hundred forty-one".