231024441161 has 2 divisors, whose sum is σ = 231024441162. Its totient is φ = 231024441160.

The previous prime is 231024441041. The next prime is 231024441163. The reversal of 231024441161 is 161144420132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164779976761 + 66244464400 = 405931^2 + 257380^2 .

It is a cyclic number.

It is not a de Polignac number, because 231024441161 - 2¹⁸ = 231024179017 is a prime.

Together with 231024441163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231024441163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115512220580 + 115512220581.

It is an arithmetic number, because the mean of its divisors is an integer number (115512220581).

Almost surely, 2^231024441161 is an apocalyptic number.

It is an amenable number.

231024441161 is a deficient number, since it is larger than the sum of its proper divisors (1).

231024441161 is an equidigital number, since it uses as much as digits as its factorization.

231024441161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 231024441161 its reverse (161144420132), we get a palindrome (392168861293).

The spelling of 231024441161 in words is "two hundred thirty-one billion, twenty-four million, four hundred forty-one thousand, one hundred sixty-one".