241220401311247 has 2 divisors, whose sum is σ = 241220401311248. Its totient is φ = 241220401311246.

The previous prime is 241220401311221. The next prime is 241220401311293. The reversal of 241220401311247 is 742113104022142.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241220401311247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241220401311047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120610200655623 + 120610200655624.

It is an arithmetic number, because the mean of its divisors is an integer number (120610200655624).

Almost surely, 2^{241220401311247} is an apocalyptic number.

241220401311247 is a deficient number, since it is larger than the sum of its proper divisors (1).

241220401311247 is an equidigital number, since it uses as much as digits as its factorization.

241220401311247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 241220401311247 its reverse (742113104022142), we get a palindrome (983333505333389).

The spelling of 241220401311247 in words is "two hundred forty-one trillion, two hundred twenty billion, four hundred one million, three hundred eleven thousand, two hundred forty-seven".