30313120203211 has 4 divisors (see below), whose sum is σ = 30422553850432. Its totient is φ = 30203686555992.

The previous prime is 30313120203199. The next prime is 30313120203221. The reversal of 30313120203211 is 11230202131303.

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

It is a cyclic number.

It is not a de Polignac number, because 30313120203211 - 2⁹ = 30313120202699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30313120203221) 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, 54716823195 + ... + 54716823748.

It is an arithmetic number, because the mean of its divisors is an integer number (7605638462608).

Almost surely, 2^{30313120203211} is an apocalyptic number.

30313120203211 is a deficient number, since it is larger than the sum of its proper divisors (109433647221).

30313120203211 is a wasteful number, since it uses less digits than its factorization.

30313120203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109433647220.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30313120203211 its reverse (11230202131303), we get a palindrome (41543322334514).

The spelling of 30313120203211 in words is "thirty trillion, three hundred thirteen billion, one hundred twenty million, two hundred three thousand, two hundred eleven".