201042413281 has 2 divisors, whose sum is σ = 201042413282. Its totient is φ = 201042413280.

The previous prime is 201042413279. The next prime is 201042413311. The reversal of 201042413281 is 182314240102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170396409681 + 30646003600 = 412791^2 + 175060^2 .

It is a cyclic number.

It is not a de Polignac number, because 201042413281 - 2¹ = 201042413279 is a prime.

It is a super-2 number, since 2×201042413281² (a number of 23 digits) contains 22 as substring.

Together with 201042413279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201042413251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521206640 + 100521206641.

It is an arithmetic number, because the mean of its divisors is an integer number (100521206641).

Almost surely, 2^201042413281 is an apocalyptic number.

It is an amenable number.

201042413281 is a deficient number, since it is larger than the sum of its proper divisors (1).

201042413281 is an equidigital number, since it uses as much as digits as its factorization.

201042413281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 201042413281 its reverse (182314240102), we get a palindrome (383356653383).

The spelling of 201042413281 in words is "two hundred one billion, forty-two million, four hundred thirteen thousand, two hundred eighty-one".