212243410331 has 2 divisors, whose sum is σ = 212243410332. Its totient is φ = 212243410330.

The previous prime is 212243410271. The next prime is 212243410339. The reversal of 212243410331 is 133014342212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212243410331 - 2³⁴ = 195063541147 is a prime.

It is a super-2 number, since 2×212243410331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212243410331.

It is not a weakly prime, because it can be changed into another prime (212243410339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106121705165 + 106121705166.

It is an arithmetic number, because the mean of its divisors is an integer number (106121705166).

Almost surely, 2^212243410331 is an apocalyptic number.

212243410331 is a deficient number, since it is larger than the sum of its proper divisors (1).

212243410331 is an equidigital number, since it uses as much as digits as its factorization.

212243410331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 212243410331 its reverse (133014342212), we get a palindrome (345257752543).

The spelling of 212243410331 in words is "two hundred twelve billion, two hundred forty-three million, four hundred ten thousand, three hundred thirty-one".