30081814 has 16 divisors (see below), whose sum is σ = 52963488. Its totient is φ = 12543552.

The previous prime is 30081803. The next prime is 30081827. The reversal of 30081814 is 41818003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28519 + ... + 29554.

It is an arithmetic number, because the mean of its divisors is an integer number (3310218).

Almost surely, 2^30081814 is an apocalyptic number.

30081814 is a deficient number, since it is larger than the sum of its proper divisors (22881674).

30081814 is a wasteful number, since it uses less digits than its factorization.

30081814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58119.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 30081814 is about 5484.6890522618. The cubic root of 30081814 is about 311.0054554586.

Adding to 30081814 its reverse (41818003), we get a palindrome (71899817).

The spelling of 30081814 in words is "thirty million, eighty-one thousand, eight hundred fourteen".