200430540281 has 2 divisors, whose sum is σ = 200430540282. Its totient is φ = 200430540280.

The previous prime is 200430540253. The next prime is 200430540361. The reversal of 200430540281 is 182045034002.

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., 135362183056 + 65068357225 = 367916^2 + 255085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200430540281 is a prime.

It is a super-2 number, since 2×200430540281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200430540581) 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, 100215270140 + 100215270141.

It is an arithmetic number, because the mean of its divisors is an integer number (100215270141).

Almost surely, 2^200430540281 is an apocalyptic number.

It is an amenable number.

200430540281 is a deficient number, since it is larger than the sum of its proper divisors (1).

200430540281 is an equidigital number, since it uses as much as digits as its factorization.

200430540281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 200430540281 its reverse (182045034002), we get a palindrome (382475574283).

The spelling of 200430540281 in words is "two hundred billion, four hundred thirty million, five hundred forty thousand, two hundred eighty-one".