30321203000 has 128 divisors (see below), whose sum is σ = 77746219200. Its totient is φ = 10976832000.

The previous prime is 30321202999. The next prime is 30321203021. The reversal of 30321203000 is 30212303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2512982 + ... + 2525018.

Almost surely, 2^30321203000 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 30321203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38873109600).

30321203000 is an abundant number, since it is smaller than the sum of its proper divisors (47425016200).

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

30321203000 is a wasteful number, since it uses less digits than its factorization.

30321203000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12298 (or 12284 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 30321203000 its reverse (30212303), we get a palindrome (30351415303).

The spelling of 30321203000 in words is "thirty billion, three hundred twenty-one million, two hundred three thousand".