30231313289 has 2 divisors, whose sum is σ = 30231313290. Its totient is φ = 30231313288.

The previous prime is 30231313279. The next prime is 30231313303. The reversal of 30231313289 is 98231313203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22700544889 + 7530768400 = 150667^2 + 86780^2 .

It is a cyclic number.

It is not a de Polignac number, because 30231313289 - 2³² = 25936345993 is a prime.

It is not a weakly prime, because it can be changed into another prime (30231313249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115656644 + 15115656645.

It is an arithmetic number, because the mean of its divisors is an integer number (15115656645).

Almost surely, 2^30231313289 is an apocalyptic number.

It is an amenable number.

30231313289 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231313289 is an equidigital number, since it uses as much as digits as its factorization.

30231313289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 30231313289 in words is "thirty billion, two hundred thirty-one million, three hundred thirteen thousand, two hundred eighty-nine".