30834133 has 4 divisors (see below), whose sum is σ = 33637248. Its totient is φ = 28031020.

The previous prime is 30834121. The next prime is 30834149. The reversal of 30834133 is 33143803.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30834133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30834098 and 30834107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30834103) 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, 1401541 + ... + 1401562.

It is an arithmetic number, because the mean of its divisors is an integer number (8409312).

Almost surely, 2^30834133 is an apocalyptic number.

It is an amenable number.

30834133 is a deficient number, since it is larger than the sum of its proper divisors (2803115).

30834133 is a wasteful number, since it uses less digits than its factorization.

30834133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803114.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 30834133 is about 5552.8490885310. The cubic root of 30834133 is about 313.5767927010.

Adding to 30834133 its reverse (33143803), we get a palindrome (63977936).

The spelling of 30834133 in words is "thirty million, eight hundred thirty-four thousand, one hundred thirty-three".