211431012241439 has 2 divisors, whose sum is σ = 211431012241440. Its totient is φ = 211431012241438.

The previous prime is 211431012241297. The next prime is 211431012241451. The reversal of 211431012241439 is 934142210134112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211431012241439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211431012241639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105715506120719 + 105715506120720.

It is an arithmetic number, because the mean of its divisors is an integer number (105715506120720).

Almost surely, 2^{211431012241439} is an apocalyptic number.

211431012241439 is a deficient number, since it is larger than the sum of its proper divisors (1).

211431012241439 is an equidigital number, since it uses as much as digits as its factorization.

211431012241439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 211431012241439 in words is "two hundred eleven trillion, four hundred thirty-one billion, twelve million, two hundred forty-one thousand, four hundred thirty-nine".