30142100042 has 24 divisors (see below), whose sum is σ = 47792981376. Its totient is φ = 14255412264.

The previous prime is 30142100033. The next prime is 30142100059. The reversal of 30142100042 is 24000124103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 431783 + ... + 496709.

It is an arithmetic number, because the mean of its divisors is an integer number (1991374224).

Almost surely, 2^30142100042 is an apocalyptic number.

30142100042 is a deficient number, since it is larger than the sum of its proper divisors (17650881334).

30142100042 is a wasteful number, since it uses less digits than its factorization.

30142100042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65610 (or 65591 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 30142100042 its reverse (24000124103), we get a palindrome (54142224145).

The spelling of 30142100042 in words is "thirty billion, one hundred forty-two million, one hundred thousand, forty-two".