30817217304 has 144 divisors (see below), whose sum is σ = 86898740760. Its totient is φ = 9865440000.

The previous prime is 30817217297. The next prime is 30817217317. The reversal of 30817217304 is 40371271803.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9477679 + ... + 9480929.

Almost surely, 2^30817217304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30817217304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43449370380).

30817217304 is an abundant number, since it is smaller than the sum of its proper divisors (56081523456).

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

30817217304 is a wasteful number, since it uses less digits than its factorization.

30817217304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462 (or 3424 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 30817217304 in words is "thirty billion, eight hundred seventeen million, two hundred seventeen thousand, three hundred four".