30800081 has 12 divisors (see below), whose sum is σ = 34433280. Its totient is φ = 27509040.

The previous prime is 30800069. The next prime is 30800093. The reversal of 30800081 is 18000803.

It is an interprime number because it is at equal distance from previous prime (30800069) and next prime (30800093).

It is not a de Polignac number, because 30800081 - 2⁶ = 30800017 is a prime.

It is a super-2 number, since 2×30800081² = 1897289979213122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30800281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2300 + ... + 8178.

It is an arithmetic number, because the mean of its divisors is an integer number (2869440).

Almost surely, 2^30800081 is an apocalyptic number.

30800081 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30800081 is a deficient number, since it is larger than the sum of its proper divisors (3633199).

30800081 is a wasteful number, since it uses less digits than its factorization.

30800081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5936 (or 5923 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 30800081 is about 5549.7820677933. The cubic root of 30800081 is about 313.4613162352.

Adding to 30800081 its reverse (18000803), we get a palindrome (48800884).

The spelling of 30800081 in words is "thirty million, eight hundred thousand, eighty-one".