30140013205 has 4 divisors (see below), whose sum is σ = 36168015852. Its totient is φ = 24112010560.

The previous prime is 30140013203. The next prime is 30140013223. The reversal of 30140013205 is 50231004103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3586332996 + 26553680209 = 59886^2 + 162953^2 .

It is not a de Polignac number, because 30140013205 - 2¹ = 30140013203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140013203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3014001316 + ... + 3014001325.

It is an arithmetic number, because the mean of its divisors is an integer number (9042003963).

Almost surely, 2^30140013205 is an apocalyptic number.

It is an amenable number.

30140013205 is a deficient number, since it is larger than the sum of its proper divisors (6028002647).

30140013205 is an equidigital number, since it uses as much as digits as its factorization.

30140013205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028002646.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 30140013205 its reverse (50231004103), we get a palindrome (80371017308).

The spelling of 30140013205 in words is "thirty billion, one hundred forty million, thirteen thousand, two hundred five".