30142000000 has 224 divisors, whose sum is σ = 85822338960. Its totient is φ = 10329600000.

The previous prime is 30141999911. The next prime is 30142000001. The reversal of 30142000000 is 24103.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142000001) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 13998924 + ... + 14001076.

Almost surely, 2^30142000000 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 30142000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42911169480).

30142000000 is an abundant number, since it is smaller than the sum of its proper divisors (55680338960).

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

30142000000 is an frugal number, since it uses more digits than its factorization.

30142000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 30142000000 its reverse (24103), we get a palindrome (30142024103).

The spelling of 30142000000 in words is "thirty billion, one hundred forty-two million", and thus it is an aban number.