30031133000 has 128 divisors (see below), whose sum is σ = 76780828800. Its totient is φ = 10903392000.

The previous prime is 30031132987. The next prime is 30031133009. The reversal of 30031133000 is 33113003.

It is not an unprimeable number, because it can be changed into a prime (30031133009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8655266 + ... + 8658734.

It is an arithmetic number, because the mean of its divisors is an integer number (599850225).

Almost surely, 2^30031133000 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 30031133000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38390414400).

30031133000 is an abundant number, since it is smaller than the sum of its proper divisors (46749695800).

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

30031133000 is a wasteful number, since it uses less digits than its factorization.

30031133000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288 (or 4274 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 14.

Adding to 30031133000 its reverse (33113003), we get a palindrome (30064246003).

The spelling of 30031133000 in words is "thirty billion, thirty-one million, one hundred thirty-three thousand".