201002030031281 has 2 divisors, whose sum is σ = 201002030031282. Its totient is φ = 201002030031280.

The previous prime is 201002030031247. The next prime is 201002030031419. The reversal of 201002030031281 is 182130030200102.

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., 114866628232225 + 86135401799056 = 10717585^2 + 9280916^2 .

It is a cyclic number.

It is not a de Polignac number, because 201002030031281 - 2¹⁰ = 201002030030257 is a prime.

It is a super-2 number, since 2×201002030031281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201002030031221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501015015640 + 100501015015641.

It is an arithmetic number, because the mean of its divisors is an integer number (100501015015641).

Almost surely, 2^{201002030031281} is an apocalyptic number.

It is an amenable number.

201002030031281 is a deficient number, since it is larger than the sum of its proper divisors (1).

201002030031281 is an equidigital number, since it uses as much as digits as its factorization.

201002030031281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 201002030031281 its reverse (182130030200102), we get a palindrome (383132060231383).

The spelling of 201002030031281 in words is "two hundred one trillion, two billion, thirty million, thirty-one thousand, two hundred eighty-one".