20343233031211 has 2 divisors, whose sum is σ = 20343233031212. Its totient is φ = 20343233031210.

The previous prime is 20343233031181. The next prime is 20343233031269. The reversal of 20343233031211 is 11213033234302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20343233031211 - 2⁵ = 20343233031179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20343233031211.

It is not a weakly prime, because it can be changed into another prime (20343233032211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10171616515605 + 10171616515606.

It is an arithmetic number, because the mean of its divisors is an integer number (10171616515606).

Almost surely, 2^{20343233031211} is an apocalyptic number.

20343233031211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20343233031211 is an equidigital number, since it uses as much as digits as its factorization.

20343233031211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20343233031211 its reverse (11213033234302), we get a palindrome (31556266265513).

The spelling of 20343233031211 in words is "twenty trillion, three hundred forty-three billion, two hundred thirty-three million, thirty-one thousand, two hundred eleven".