30140312205 has 16 divisors (see below), whose sum is σ = 48226651200. Its totient is φ = 16074115968.

The previous prime is 30140312203. The next prime is 30140312207. The reversal of 30140312205 is 50221304103.

It is an interprime number because it is at equal distance from previous prime (30140312203) and next prime (30140312207).

It is not a de Polignac number, because 30140312205 - 2¹ = 30140312203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140312201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 648009 + ... + 692961.

It is an arithmetic number, because the mean of its divisors is an integer number (3014165700).

Almost surely, 2^30140312205 is an apocalyptic number.

It is an amenable number.

30140312205 is a deficient number, since it is larger than the sum of its proper divisors (18086338995).

30140312205 is a wasteful number, since it uses less digits than its factorization.

30140312205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89660.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 30140312205 its reverse (50221304103), we get a palindrome (80361616308).

The spelling of 30140312205 in words is "thirty billion, one hundred forty million, three hundred twelve thousand, two hundred five".