30421030 has 16 divisors (see below), whose sum is σ = 56238480. Its totient is φ = 11839392.

The previous prime is 30421021. The next prime is 30421031. The reversal of 30421030 is 3012403.

It is a self number, because there is not a number n which added to its sum of digits gives 30421030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421031) 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, 40740 + ... + 41479.

It is an arithmetic number, because the mean of its divisors is an integer number (3514905).

Almost surely, 2^30421030 is an apocalyptic number.

30421030 is a deficient number, since it is larger than the sum of its proper divisors (25817450).

30421030 is a wasteful number, since it uses less digits than its factorization.

30421030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82263.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30421030 is about 5515.5262668217. The cubic root of 30421030 is about 312.1701009223.

Adding to 30421030 its reverse (3012403), we get a palindrome (33433433).

The spelling of 30421030 in words is "thirty million, four hundred twenty-one thousand, thirty".