30002003000 has 128 divisors (see below), whose sum is σ = 72588035520. Its totient is φ = 11599257600.

The previous prime is 30002002981. The next prime is 30002003027. The reversal of 30002003000 is 30020003.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4167404 + ... + 4174596.

Almost surely, 2^30002003000 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 30002003000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36294017760).

30002003000 is an abundant number, since it is smaller than the sum of its proper divisors (42586032520).

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

30002003000 is a wasteful number, since it uses less digits than its factorization.

30002003000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7354 (or 7340 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 8.

Adding to 30002003000 its reverse (30020003), we get a palindrome (30032023003).

The spelling of 30002003000 in words is "thirty billion, two million, three thousand".