30338552281 has 2 divisors, whose sum is σ = 30338552282. Its totient is φ = 30338552280.

The previous prime is 30338552267. The next prime is 30338552303. The reversal of 30338552281 is 18225583303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30276000000 + 62552281 = 174000^2 + 7909^2 .

It is a cyclic number.

It is not a de Polignac number, because 30338552281 - 2¹⁵ = 30338519513 is a prime.

It is a super-3 number, since 3×30338552281³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (30338555281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15169276140 + 15169276141.

It is an arithmetic number, because the mean of its divisors is an integer number (15169276141).

Almost surely, 2^30338552281 is an apocalyptic number.

It is an amenable number.

30338552281 is a deficient number, since it is larger than the sum of its proper divisors (1).

30338552281 is an equidigital number, since it uses as much as digits as its factorization.

30338552281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 30338552281 in words is "thirty billion, three hundred thirty-eight million, five hundred fifty-two thousand, two hundred eighty-one".