231242333141 has 2 divisors, whose sum is σ = 231242333142. Its totient is φ = 231242333140.

The previous prime is 231242333137. The next prime is 231242333167. The reversal of 231242333141 is 141333242132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144027840100 + 87214493041 = 379510^2 + 295321^2 .

It is a cyclic number.

It is not a de Polignac number, because 231242333141 - 2² = 231242333137 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231242333041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115621166570 + 115621166571.

It is an arithmetic number, because the mean of its divisors is an integer number (115621166571).

Almost surely, 2^231242333141 is an apocalyptic number.

It is an amenable number.

231242333141 is a deficient number, since it is larger than the sum of its proper divisors (1).

231242333141 is an equidigital number, since it uses as much as digits as its factorization.

231242333141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 29.

Adding to 231242333141 its reverse (141333242132), we get a palindrome (372575575273).

The spelling of 231242333141 in words is "two hundred thirty-one billion, two hundred forty-two million, three hundred thirty-three thousand, one hundred forty-one".