30080813 has 4 divisors (see below), whose sum is σ = 34378080. Its totient is φ = 25783548.

The previous prime is 30080807. The next prime is 30080821. The reversal of 30080813 is 31808003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30080813 - 2¹⁴ = 30064429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30080833) 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 3 ways as a sum of consecutive naturals, for example, 2148623 + ... + 2148636.

It is an arithmetic number, because the mean of its divisors is an integer number (8594520).

Almost surely, 2^30080813 is an apocalyptic number.

It is an amenable number.

30080813 is a deficient number, since it is larger than the sum of its proper divisors (4297267).

30080813 is an equidigital number, since it uses as much as digits as its factorization.

30080813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297266.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 30080813 is about 5484.5977974688. The cubic root of 30080813 is about 311.0020057562.

Adding to 30080813 its reverse (31808003), we get a palindrome (61888816).

The spelling of 30080813 in words is "thirty million, eighty thousand, eight hundred thirteen".