30502030 has 64 divisors (see below), whose sum is σ = 63685440. Its totient is φ = 10423296.

The previous prime is 30502019. The next prime is 30502051. The reversal of 30502030 is 3020503.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 30502030.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 130794 + ... + 131026.

It is an arithmetic number, because the mean of its divisors is an integer number (995085).

Almost surely, 2^30502030 is an apocalyptic number.

30502030 is an abundant number, since it is smaller than the sum of its proper divisors (33183410).

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

30502030 is a wasteful number, since it uses less digits than its factorization.

30502030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 30502030 is about 5522.8642931001. The cubic root of 30502030 is about 312.4469200512.

Adding to 30502030 its reverse (3020503), we get a palindrome (33522533).

The spelling of 30502030 in words is "thirty million, five hundred two thousand, thirty".