30447101139 has 48 divisors (see below), whose sum is σ = 50887936512. Its totient is φ = 16050146112.

The previous prime is 30447101137. The next prime is 30447101159. The reversal of 30447101139 is 93110174403.

It is not a de Polignac number, because 30447101139 - 2¹ = 30447101137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30447101137) 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 in 47 ways as a sum of consecutive naturals, for example, 3938532 + ... + 3946254.

It is an arithmetic number, because the mean of its divisors is an integer number (1060165344).

Almost surely, 2^30447101139 is an apocalyptic number.

30447101139 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

30447101139 is a deficient number, since it is larger than the sum of its proper divisors (20440835373).

30447101139 is a wasteful number, since it uses less digits than its factorization.

30447101139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9816 (or 9809 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 30447101139 in words is "thirty billion, four hundred forty-seven million, one hundred one thousand, one hundred thirty-nine".