30442031000 has 128 divisors (see below), whose sum is σ = 74573291520. Its totient is φ = 11617200000.

The previous prime is 30442030939. The next prime is 30442031023. The reversal of 30442031000 is 13024403.

It is a super-2 number, since 2×30442031000² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30442031000.

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, 2194085 + ... + 2207915.

It is an arithmetic number, because the mean of its divisors is an integer number (582603840).

Almost surely, 2^30442031000 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 30442031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37286645760).

30442031000 is an abundant number, since it is smaller than the sum of its proper divisors (44131260520).

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

30442031000 is a wasteful number, since it uses less digits than its factorization.

30442031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13954 (or 13940 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30442031000 its reverse (13024403), we get a palindrome (30455055403).

The spelling of 30442031000 in words is "thirty billion, four hundred forty-two million, thirty-one thousand".