213343020041 has 2 divisors, whose sum is σ = 213343020042. Its totient is φ = 213343020040.

The previous prime is 213343019921. The next prime is 213343020043. The reversal of 213343020041 is 140020343312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172308010000 + 41035010041 = 415100^2 + 202571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213343020041 is a prime.

Together with 213343020043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 213343019989 and 213343020016.

It is not a weakly prime, because it can be changed into another prime (213343020043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106671510020 + 106671510021.

It is an arithmetic number, because the mean of its divisors is an integer number (106671510021).

Almost surely, 2^213343020041 is an apocalyptic number.

It is an amenable number.

213343020041 is a deficient number, since it is larger than the sum of its proper divisors (1).

213343020041 is an equidigital number, since it uses as much as digits as its factorization.

213343020041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213343020041 its reverse (140020343312), we get a palindrome (353363363353).

The spelling of 213343020041 in words is "two hundred thirteen billion, three hundred forty-three million, twenty thousand, forty-one".