30031404 has 48 divisors (see below), whose sum is σ = 75828480. Its totient is φ = 9195840.

The previous prime is 30031403. The next prime is 30031423. The reversal of 30031404 is 40413003.

It is a super-2 number, since 2×30031404² = 1803770452422432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30031403) 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 15 ways as a sum of consecutive naturals, for example, 48207 + ... + 48825.

It is an arithmetic number, because the mean of its divisors is an integer number (1579760).

Almost surely, 2^30031404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30031404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37914240).

30031404 is an abundant number, since it is smaller than the sum of its proper divisors (45797076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30031404 is a wasteful number, since it uses less digits than its factorization.

30031404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 948 counting only the distinct ones).

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

The square root of 30031404 is about 5480.0916050738. The cubic root of 30031404 is about 310.8316344850.

Adding to 30031404 its reverse (40413003), we get a palindrome (70444407).

The spelling of 30031404 in words is "thirty million, thirty-one thousand, four hundred four".