30385129247 has 8 divisors (see below), whose sum is σ = 33148953552. Its totient is φ = 27621561600.

The previous prime is 30385129189. The next prime is 30385129273. The reversal of 30385129247 is 74292158303.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30385129247 - 2¹⁶ = 30385063711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30385129198 and 30385129207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30385129147) 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 7 ways as a sum of consecutive naturals, for example, 250493 + ... + 351449.

It is an arithmetic number, because the mean of its divisors is an integer number (4143619194).

Almost surely, 2^30385129247 is an apocalyptic number.

30385129247 is a deficient number, since it is larger than the sum of its proper divisors (2763824305).

30385129247 is a wasteful number, since it uses less digits than its factorization.

30385129247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128329.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 30385129247 in words is "thirty billion, three hundred eighty-five million, one hundred twenty-nine thousand, two hundred forty-seven".