30517447312 has 40 divisors (see below), whose sum is σ = 64522075680. Its totient is φ = 13867418880.

The previous prime is 30517447309. The next prime is 30517447313. The reversal of 30517447312 is 21374471503.

It is not an unprimeable number, because it can be changed into a prime (30517447313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608239 + ... + 656497.

It is an arithmetic number, because the mean of its divisors is an integer number (1613051892).

Almost surely, 2^30517447312 is an apocalyptic number.

It is an amenable number.

30517447312 is an abundant number, since it is smaller than the sum of its proper divisors (34004628368).

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

30517447312 is a wasteful number, since it uses less digits than its factorization.

30517447312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51871 (or 51865 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 30517447312 in words is "thirty billion, five hundred seventeen million, four hundred forty-seven thousand, three hundred twelve".