30013142420140 has 144 divisors (see below), whose sum is σ = 70020346888800. Its totient is φ = 10797270865920.

The previous prime is 30013142420101. The next prime is 30013142420143. The reversal of 30013142420140 is 4102424131003.

It is not an unprimeable number, because it can be changed into a prime (30013142420143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173744692 + ... + 173917348.

It is an arithmetic number, because the mean of its divisors is an integer number (486252408950).

Almost surely, 2^{30013142420140} 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 30013142420140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35010173444400).

30013142420140 is an abundant number, since it is smaller than the sum of its proper divisors (40007204468660).

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

30013142420140 is a wasteful number, since it uses less digits than its factorization.

30013142420140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173456 (or 173443 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 30013142420140 its reverse (4102424131003), we get a palindrome (34115566551143).

The spelling of 30013142420140 in words is "thirty trillion, thirteen billion, one hundred forty-two million, four hundred twenty thousand, one hundred forty".