30320188102 has 4 divisors (see below), whose sum is σ = 45480282156. Its totient is φ = 15160094050.

The previous prime is 30320188099. The next prime is 30320188121. The reversal of 30320188102 is 20188102303.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 7580047024 + ... + 7580047027.

It is an arithmetic number, because the mean of its divisors is an integer number (11370070539).

Almost surely, 2^30320188102 is an apocalyptic number.

30320188102 is a deficient number, since it is larger than the sum of its proper divisors (15160094054).

30320188102 is a wasteful number, since it uses less digits than its factorization.

30320188102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15160094053.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 30320188102 in words is "thirty billion, three hundred twenty million, one hundred eighty-eight thousand, one hundred two".