30030042102 has 32 divisors (see below), whose sum is σ = 61582477824. Its totient is φ = 9757980000.

The previous prime is 30030042079. The next prime is 30030042137. The reversal of 30030042102 is 20124003003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141349 + ... + 282912.

It is an arithmetic number, because the mean of its divisors is an integer number (1924452432).

Almost surely, 2^30030042102 is an apocalyptic number.

30030042102 is an abundant number, since it is smaller than the sum of its proper divisors (31552435722).

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

30030042102 is a wasteful number, since it uses less digits than its factorization.

30030042102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424564.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30030042102 its reverse (20124003003), we get a palindrome (50154045105).

The spelling of 30030042102 in words is "thirty billion, thirty million, forty-two thousand, one hundred two".