30871714728 has 16 divisors (see below), whose sum is σ = 77179286880. Its totient is φ = 10290571568.

The previous prime is 30871714717. The next prime is 30871714751. The reversal of 30871714728 is 82741717803.

It is a super-2 number, since 2×30871714728² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 643160700 + ... + 643160747.

It is an arithmetic number, because the mean of its divisors is an integer number (4823705430).

Almost surely, 2^30871714728 is an apocalyptic number.

It is an amenable number.

30871714728 is an abundant number, since it is smaller than the sum of its proper divisors (46307572152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30871714728 is a wasteful number, since it uses less digits than its factorization.

30871714728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286321456 (or 1286321452 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 48.

The spelling of 30871714728 in words is "thirty billion, eight hundred seventy-one million, seven hundred fourteen thousand, seven hundred twenty-eight".