30421010 has 16 divisors (see below), whose sum is σ = 54820800. Its totient is φ = 12154416.

The previous prime is 30421009. The next prime is 30421021. The reversal of 30421010 is 1012403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30420982 and 30421000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15251 + ... + 17129.

It is an arithmetic number, because the mean of its divisors is an integer number (3426300).

Almost surely, 2^30421010 is an apocalyptic number.

30421010 is a deficient number, since it is larger than the sum of its proper divisors (24399790).

30421010 is a wasteful number, since it uses less digits than its factorization.

30421010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30421010 is about 5515.5244537578. The cubic root of 30421010 is about 312.1700325113.

Adding to 30421010 its reverse (1012403), we get a palindrome (31433413).

The spelling of 30421010 in words is "thirty million, four hundred twenty-one thousand, ten".