30242340142 has 32 divisors (see below), whose sum is σ = 54111071232. Its totient is φ = 12394508544.

The previous prime is 30242340133. The next prime is 30242340169. The reversal of 30242340142 is 24104324203.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1771198 + ... + 1788190.

It is an arithmetic number, because the mean of its divisors is an integer number (1690970976).

Almost surely, 2^30242340142 is an apocalyptic number.

30242340142 is a deficient number, since it is larger than the sum of its proper divisors (23868731090).

30242340142 is a wasteful number, since it uses less digits than its factorization.

30242340142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22552.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30242340142 its reverse (24104324203), we get a palindrome (54346664345).

The spelling of 30242340142 in words is "thirty billion, two hundred forty-two million, three hundred forty thousand, one hundred forty-two".