30808371 has 16 divisors (see below), whose sum is σ = 44972928. Its totient is φ = 18604800.

The previous prime is 30808363. The next prime is 30808381. The reversal of 30808371 is 17380803.

It is not a de Polignac number, because 30808371 - 2³ = 30808363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30808331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8611 + ... + 11651.

It is an arithmetic number, because the mean of its divisors is an integer number (2810808).

Almost surely, 2^30808371 is an apocalyptic number.

30808371 is a deficient number, since it is larger than the sum of its proper divisors (14164557).

30808371 is a wasteful number, since it uses less digits than its factorization.

30808371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 30808371 is about 5550.5288937181. The cubic root of 30808371 is about 313.4894369535.

The spelling of 30808371 in words is "thirty million, eight hundred eight thousand, three hundred seventy-one".