30031022000 has 160 divisors (see below), whose sum is σ = 84684163200. Its totient is φ = 10296115200.

The previous prime is 30031021973. The next prime is 30031022017. The reversal of 30031022000 is 22013003.

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, 664112 + ... + 707888.

It is an arithmetic number, because the mean of its divisors is an integer number (529276020).

Almost surely, 2^30031022000 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 30031022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42342081600).

30031022000 is an abundant number, since it is smaller than the sum of its proper divisors (54653141200).

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

30031022000 is an equidigital number, since it uses as much as digits as its factorization.

30031022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43821 (or 43791 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 30031022000 its reverse (22013003), we get a palindrome (30053035003).

The spelling of 30031022000 in words is "thirty billion, thirty-one million, twenty-two thousand".