231443322041 has 2 divisors, whose sum is σ = 231443322042. Its totient is φ = 231443322040.

The previous prime is 231443322001. The next prime is 231443322053. The reversal of 231443322041 is 140223344132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207597785641 + 23845536400 = 455629^2 + 154420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231443322041 is a prime.

It is a super-3 number, since 3×231443322041³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231443321995 and 231443322013.

It is not a weakly prime, because it can be changed into another prime (231443322001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115721661020 + 115721661021.

It is an arithmetic number, because the mean of its divisors is an integer number (115721661021).

Almost surely, 2^231443322041 is an apocalyptic number.

It is an amenable number.

231443322041 is a deficient number, since it is larger than the sum of its proper divisors (1).

231443322041 is an equidigital number, since it uses as much as digits as its factorization.

231443322041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 231443322041 its reverse (140223344132), we get a palindrome (371666666173).

The spelling of 231443322041 in words is "two hundred thirty-one billion, four hundred forty-three million, three hundred twenty-two thousand, forty-one".