30421334 has 16 divisors (see below), whose sum is σ = 46400256. Its totient is φ = 14956800.

The previous prime is 30421333. The next prime is 30421343. The reversal of 30421334 is 43312403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36644 + ... + 37464.

It is an arithmetic number, because the mean of its divisors is an integer number (2900016).

Almost surely, 2^30421334 is an apocalyptic number.

30421334 is a deficient number, since it is larger than the sum of its proper divisors (15978922).

30421334 is a wasteful number, since it uses less digits than its factorization.

30421334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30421334 is about 5515.5538253198. The cubic root of 30421334 is about 312.1711407665.

Adding to 30421334 its reverse (43312403), we get a palindrome (73733737).

The spelling of 30421334 in words is "thirty million, four hundred twenty-one thousand, three hundred thirty-four".