30021031304 has 64 divisors (see below), whose sum is σ = 63767088000. Its totient is φ = 13124984320.

The previous prime is 30021031297. The next prime is 30021031319. The reversal of 30021031304 is 40313012003.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648812 + ... + 693540.

It is an arithmetic number, because the mean of its divisors is an integer number (996360750).

Almost surely, 2^30021031304 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 30021031304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31883544000).

30021031304 is an abundant number, since it is smaller than the sum of its proper divisors (33746056696).

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

30021031304 is a wasteful number, since it uses less digits than its factorization.

30021031304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45038 (or 45034 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30021031304 its reverse (40313012003), we get a palindrome (70334043307).

The spelling of 30021031304 in words is "thirty billion, twenty-one million, thirty-one thousand, three hundred four".