201042034247 has 2 divisors, whose sum is σ = 201042034248. Its totient is φ = 201042034246.

The previous prime is 201042034223. The next prime is 201042034327. The reversal of 201042034247 is 742430240102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201042034247 - 2¹⁴ = 201042017863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201042034217) 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, 100521017123 + 100521017124.

It is an arithmetic number, because the mean of its divisors is an integer number (100521017124).

Almost surely, 2^201042034247 is an apocalyptic number.

201042034247 is a deficient number, since it is larger than the sum of its proper divisors (1).

201042034247 is an equidigital number, since it uses as much as digits as its factorization.

201042034247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 201042034247 its reverse (742430240102), we get a palindrome (943472274349).

The spelling of 201042034247 in words is "two hundred one billion, forty-two million, thirty-four thousand, two hundred forty-seven".