30978102384 has 120 divisors (see below), whose sum is σ = 88792848144. Its totient is φ = 10078848000.

The previous prime is 30978102223. The next prime is 30978102403. The reversal of 30978102384 is 48320187903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1137244 + ... + 1164164.

Almost surely, 2^30978102384 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 30978102384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44396424072).

30978102384 is an abundant number, since it is smaller than the sum of its proper divisors (57814745760).

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

30978102384 is a wasteful number, since it uses less digits than its factorization.

30978102384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27127 (or 27118 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 30978102384 in words is "thirty billion, nine hundred seventy-eight million, one hundred two thousand, three hundred eighty-four".