213323034433441 has 2 divisors, whose sum is σ = 213323034433442. Its totient is φ = 213323034433440.

The previous prime is 213323034433393. The next prime is 213323034433459. The reversal of 213323034433441 is 144334430323312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202613588377600 + 10709446055841 = 14234240^2 + 3272529^2 .

It is a cyclic number.

It is not a de Polignac number, because 213323034433441 - 2⁹ = 213323034432929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213323034433394 and 213323034433403.

It is not a weakly prime, because it can be changed into another prime (213323034433471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106661517216720 + 106661517216721.

It is an arithmetic number, because the mean of its divisors is an integer number (106661517216721).

Almost surely, 2^{213323034433441} is an apocalyptic number.

It is an amenable number.

213323034433441 is a deficient number, since it is larger than the sum of its proper divisors (1).

213323034433441 is an equidigital number, since it uses as much as digits as its factorization.

213323034433441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 40.

Adding to 213323034433441 its reverse (144334430323312), we get a palindrome (357657464756753).

The spelling of 213323034433441 in words is "two hundred thirteen trillion, three hundred twenty-three billion, thirty-four million, four hundred thirty-three thousand, four hundred forty-one".