30947447322 has 96 divisors (see below), whose sum is σ = 75930925824. Its totient is φ = 9027849600.

The previous prime is 30947447317. The next prime is 30947447329. The reversal of 30947447322 is 22374474903.

30947447322 is a `hidden beast` number, since 3 + 0 + 94 + 74 + 473 + 22 = 666.

It is not an unprimeable number, because it can be changed into a prime (30947447329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 540408 + ... + 594924.

It is an arithmetic number, because the mean of its divisors is an integer number (790947144).

Almost surely, 2^30947447322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30947447322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37965462912).

30947447322 is an abundant number, since it is smaller than the sum of its proper divisors (44983478502).

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

30947447322 is a wasteful number, since it uses less digits than its factorization.

30947447322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54644 (or 54641 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The spelling of 30947447322 in words is "thirty billion, nine hundred forty-seven million, four hundred forty-seven thousand, three hundred twenty-two".