30803113 has 4 divisors (see below), whose sum is σ = 33603408. Its totient is φ = 28002820.

The previous prime is 30803111. The next prime is 30803147. The reversal of 30803113 is 31130803.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31130803 = 11 ⋅2830073.

It is a cyclic number.

It is not a de Polignac number, because 30803113 - 2¹ = 30803111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30803111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1400131 + ... + 1400152.

It is an arithmetic number, because the mean of its divisors is an integer number (8400852).

Almost surely, 2^30803113 is an apocalyptic number.

It is an amenable number.

30803113 is a deficient number, since it is larger than the sum of its proper divisors (2800295).

30803113 is a wasteful number, since it uses less digits than its factorization.

30803113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800294.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 30803113 is about 5550.0552249505. The cubic root of 30803113 is about 313.4716017441.

Adding to 30803113 its reverse (31130803), we get a palindrome (61933916).

The spelling of 30803113 in words is "thirty million, eight hundred three thousand, one hundred thirteen".