30001002281 has 2 divisors, whose sum is σ = 30001002282. Its totient is φ = 30001002280.

The previous prime is 30001002253. The next prime is 30001002313. The reversal of 30001002281 is 18220010003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29098901056 + 902101225 = 170584^2 + 30035^2 .

It is a cyclic number.

It is not a de Polignac number, because 30001002281 - 2²⁶ = 29933893417 is a prime.

It is a super-2 number, since 2×30001002281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30001002181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000501140 + 15000501141.

It is an arithmetic number, because the mean of its divisors is an integer number (15000501141).

Almost surely, 2^30001002281 is an apocalyptic number.

It is an amenable number.

30001002281 is a deficient number, since it is larger than the sum of its proper divisors (1).

30001002281 is an equidigital number, since it uses as much as digits as its factorization.

30001002281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 30001002281 its reverse (18220010003), we get a palindrome (48221012284).

The spelling of 30001002281 in words is "thirty billion, one million, two thousand, two hundred eighty-one".