30404231 has 16 divisors (see below), whose sum is σ = 35955360. Its totient is φ = 25345920.

The previous prime is 30404203. The next prime is 30404239. The reversal of 30404231 is 13240403.

It is a cyclic number.

It is not a de Polignac number, because 30404231 - 2⁶ = 30404167 is a prime.

It is a super-2 number, since 2×30404231² = 1848834525402722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30404239) 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 15 ways as a sum of consecutive naturals, for example, 24125 + ... + 25353.

It is an arithmetic number, because the mean of its divisors is an integer number (2247210).

Almost surely, 2^30404231 is an apocalyptic number.

30404231 is a deficient number, since it is larger than the sum of its proper divisors (5551129).

30404231 is a wasteful number, since it uses less digits than its factorization.

30404231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30404231 is about 5514.0031737387. The cubic root of 30404231 is about 312.1126284970.

Adding to 30404231 its reverse (13240403), we get a palindrome (43644634).

The spelling of 30404231 in words is "thirty million, four hundred four thousand, two hundred thirty-one".