30505213030 has 32 divisors (see below), whose sum is σ = 59145043968. Its totient is φ = 11295055200.

The previous prime is 30505213027. The next prime is 30505213069. The reversal of 30505213030 is 3031250503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30505212992 and 30505213010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2132086 + ... + 2146345.

It is an arithmetic number, because the mean of its divisors is an integer number (1848282624).

Almost surely, 2^30505213030 is an apocalyptic number.

30505213030 is a deficient number, since it is larger than the sum of its proper divisors (28639830938).

30505213030 is a wasteful number, since it uses less digits than its factorization.

30505213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278492.

The product of its (nonzero) digits is 1350, while the sum is 22.

Adding to 30505213030 its reverse (3031250503), we get a palindrome (33536463533).

The spelling of 30505213030 in words is "thirty billion, five hundred five million, two hundred thirteen thousand, thirty".