30503300205 has 16 divisors (see below), whose sum is σ = 55777463424. Its totient is φ = 13944365760.

The previous prime is 30503300159. The next prime is 30503300221. The reversal of 30503300205 is 50200330503.

It is not a de Polignac number, because 30503300205 - 2⁹ = 30503299693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 145253706 + ... + 145253915.

It is an arithmetic number, because the mean of its divisors is an integer number (3486091464).

Almost surely, 2^30503300205 is an apocalyptic number.

30503300205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30503300205 is a deficient number, since it is larger than the sum of its proper divisors (25274163219).

30503300205 is a wasteful number, since it uses less digits than its factorization.

30503300205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290507636.

The product of its (nonzero) digits is 1350, while the sum is 21.

Adding to 30503300205 its reverse (50200330503), we get a palindrome (80703630708).

The spelling of 30503300205 in words is "thirty billion, five hundred three million, three hundred thousand, two hundred five".