201340334417 has 2 divisors, whose sum is σ = 201340334418. Its totient is φ = 201340334416.

The previous prime is 201340334399. The next prime is 201340334443. The reversal of 201340334417 is 714433043102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126221036176 + 75119298241 = 355276^2 + 274079^2 .

It is a cyclic number.

It is not a de Polignac number, because 201340334417 - 2¹⁶ = 201340268881 is a prime.

It is not a weakly prime, because it can be changed into another prime (201340334497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100670167208 + 100670167209.

It is an arithmetic number, because the mean of its divisors is an integer number (100670167209).

Almost surely, 2^201340334417 is an apocalyptic number.

It is an amenable number.

201340334417 is a deficient number, since it is larger than the sum of its proper divisors (1).

201340334417 is an equidigital number, since it uses as much as digits as its factorization.

201340334417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 201340334417 its reverse (714433043102), we get a palindrome (915773377519).

The spelling of 201340334417 in words is "two hundred one billion, three hundred forty million, three hundred thirty-four thousand, four hundred seventeen".