30211310205 has 16 divisors (see below), whose sum is σ = 53708996160. Its totient is φ = 16112698704.

The previous prime is 30211310197. The next prime is 30211310243. The reversal of 30211310205 is 50201311203.

It is not a de Polignac number, because 30211310205 - 2³ = 30211310197 is a prime.

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, 111893607 + ... + 111893876.

It is an arithmetic number, because the mean of its divisors is an integer number (3356812260).

Almost surely, 2^30211310205 is an apocalyptic number.

It is an amenable number.

30211310205 is a deficient number, since it is larger than the sum of its proper divisors (23497685955).

30211310205 is a wasteful number, since it uses less digits than its factorization.

30211310205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223787497 (or 223787491 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 30211310205 its reverse (50201311203), we get a palindrome (80412621408).

The spelling of 30211310205 in words is "thirty billion, two hundred eleven million, three hundred ten thousand, two hundred five".