30004431 has 8 divisors (see below), whose sum is σ = 40053120. Its totient is φ = 19979352.

The previous prime is 30004423. The next prime is 30004433. The reversal of 30004431 is 13440003.

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

It is not a de Polignac number, because 30004431 - 2³ = 30004423 is a prime.

It is a super-2 number, since 2×30004431² = 1800531759267522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30004431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30004433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685 + ... + 8198.

It is an arithmetic number, because the mean of its divisors is an integer number (5006640).

Almost surely, 2^30004431 is an apocalyptic number.

30004431 is a deficient number, since it is larger than the sum of its proper divisors (10048689).

30004431 is a wasteful number, since it uses less digits than its factorization.

30004431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11805.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30004431 is about 5477.6300532256. The cubic root of 30004431 is about 310.7385477837.

Adding to 30004431 its reverse (13440003), we get a palindrome (43444434).

The spelling of 30004431 in words is "thirty million, four thousand, four hundred thirty-one".