30804631 has 8 divisors (see below), whose sum is σ = 36190224. Its totient is φ = 25849920.

The previous prime is 30804619. The next prime is 30804637. The reversal of 30804631 is 13640803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30804631 - 2⁷ = 30804503 is a prime.

It is a super-2 number, since 2×30804631² = 1897850582092322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30804596 and 30804605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30804637) 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 7 ways as a sum of consecutive naturals, for example, 107566 + ... + 107851.

It is an arithmetic number, because the mean of its divisors is an integer number (4523778).

Almost surely, 2^30804631 is an apocalyptic number.

30804631 is a deficient number, since it is larger than the sum of its proper divisors (5385593).

30804631 is a wasteful number, since it uses less digits than its factorization.

30804631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215441.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 30804631 is about 5550.1919786616. The cubic root of 30804631 is about 313.4767510297.

The spelling of 30804631 in words is "thirty million, eight hundred four thousand, six hundred thirty-one".