30381903804 has 192 divisors, whose sum is σ = 89543688192. Its totient is φ = 7819468800.

The previous prime is 30381903707. The next prime is 30381903823. The reversal of 30381903804 is 40830918303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3098149 + ... + 3107939.

It is an arithmetic number, because the mean of its divisors is an integer number (466373376).

Almost surely, 2^30381903804 is an apocalyptic number.

30381903804 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30381903804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44771844096).

30381903804 is an abundant number, since it is smaller than the sum of its proper divisors (59161784388).

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

30381903804 is a wasteful number, since it uses less digits than its factorization.

30381903804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9916 (or 9914 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 30381903804 in words is "thirty billion, three hundred eighty-one million, nine hundred three thousand, eight hundred four".