201342441281 has 2 divisors, whose sum is σ = 201342441282. Its totient is φ = 201342441280.

The previous prime is 201342441271. The next prime is 201342441317. The reversal of 201342441281 is 182144243102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198274278400 + 3068162881 = 445280^2 + 55391^2 .

It is a cyclic number.

It is not a de Polignac number, because 201342441281 - 2²⁶ = 201275332417 is a prime.

It is a super-2 number, since 2×201342441281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201342441271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100671220640 + 100671220641.

It is an arithmetic number, because the mean of its divisors is an integer number (100671220641).

Almost surely, 2^201342441281 is an apocalyptic number.

It is an amenable number.

201342441281 is a deficient number, since it is larger than the sum of its proper divisors (1).

201342441281 is an equidigital number, since it uses as much as digits as its factorization.

201342441281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 201342441281 its reverse (182144243102), we get a palindrome (383486684383).

The spelling of 201342441281 in words is "two hundred one billion, three hundred forty-two million, four hundred forty-one thousand, two hundred eighty-one".