30685301289 has 12 divisors (see below), whose sum is σ = 44930381236. Its totient is φ = 20176636032.

The previous prime is 30685301267. The next prime is 30685301293. The reversal of 30685301289 is 98210358603.

It is a happy number.

30685301289 is a `hidden beast` number, since 3 + 0 + 68 + 5 + 301 + 289 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24298574400 + 6386726889 = 155880^2 + 79917^2 .

It is not a de Polignac number, because 30685301289 - 2¹¹ = 30685299241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30685301219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23351932 + ... + 23353245.

Almost surely, 2^30685301289 is an apocalyptic number.

It is an amenable number.

30685301289 is a deficient number, since it is larger than the sum of its proper divisors (14245079947).

30685301289 is a wasteful number, since it uses less digits than its factorization.

30685301289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46705256 (or 46705253 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 30685301289 in words is "thirty billion, six hundred eighty-five million, three hundred one thousand, two hundred eighty-nine".