30819909134 has 16 divisors (see below), whose sum is σ = 53378814048. Its totient is φ = 13072361472.

The previous prime is 30819909097. The next prime is 30819909137. The reversal of 30819909134 is 43190991803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30819909137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11346179 + ... + 11348894.

It is an arithmetic number, because the mean of its divisors is an integer number (3336175878).

Almost surely, 2^30819909134 is an apocalyptic number.

30819909134 is a deficient number, since it is larger than the sum of its proper divisors (22558904914).

30819909134 is a wasteful number, since it uses less digits than its factorization.

30819909134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22695179.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 30819909134 in words is "thirty billion, eight hundred nineteen million, nine hundred nine thousand, one hundred thirty-four".