30071288247 has 32 divisors (see below), whose sum is σ = 53833920000. Its totient is φ = 14419797120.

The previous prime is 30071288213. The next prime is 30071288249. The reversal of 30071288247 is 74288217003.

It is not a de Polignac number, because 30071288247 - 2⁸ = 30071287991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30071288199 and 30071288208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30071288249) 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 31 ways as a sum of consecutive naturals, for example, 5003872 + ... + 5009877.

It is an arithmetic number, because the mean of its divisors is an integer number (1682310000).

Almost surely, 2^30071288247 is an apocalyptic number.

30071288247 is a deficient number, since it is larger than the sum of its proper divisors (23762631753).

30071288247 is a wasteful number, since it uses less digits than its factorization.

30071288247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10013783.

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 30071288247 in words is "thirty billion, seventy-one million, two hundred eighty-eight thousand, two hundred forty-seven".