30404331 has 6 divisors (see below), whose sum is σ = 43917380. Its totient is φ = 20269548.

The previous prime is 30404327. The next prime is 30404357. The reversal of 30404331 is 13340403.

It is not a de Polignac number, because 30404331 - 2² = 30404327 is a prime.

It is a super-2 number, since 2×30404331² = 1848846687115122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30404431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1689121 + ... + 1689138.

Almost surely, 2^30404331 is an apocalyptic number.

30404331 is a deficient number, since it is larger than the sum of its proper divisors (13513049).

30404331 is a wasteful number, since it uses less digits than its factorization.

30404331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378265 (or 3378262 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30404331 is about 5514.0122415533. The cubic root of 30404331 is about 312.1129706778.

Adding to 30404331 its reverse (13340403), we get a palindrome (43744734).

The spelling of 30404331 in words is "thirty million, four hundred four thousand, three hundred thirty-one".