30142042042 has 16 divisors (see below), whose sum is σ = 51691197312. Its totient is φ = 12913236720.

The previous prime is 30142042031. The next prime is 30142042093. The reversal of 30142042042 is 24024024103.

It is a happy number.

30142042042 is a modest number, since divided by 42042 gives 30142 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359133 + ... + 435040.

It is an arithmetic number, because the mean of its divisors is an integer number (3230699832).

Almost surely, 2^30142042042 is an apocalyptic number.

30142042042 is a deficient number, since it is larger than the sum of its proper divisors (21549155270).

30142042042 is a wasteful number, since it uses less digits than its factorization.

30142042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796893.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 30142042042 its reverse (24024024103), we get a palindrome (54166066145).

The spelling of 30142042042 in words is "thirty billion, one hundred forty-two million, forty-two thousand, forty-two".