203213034211 has 4 divisors (see below), whose sum is σ = 221686946424. Its totient is φ = 184739122000.

The previous prime is 203213034209. The next prime is 203213034217. The reversal of 203213034211 is 112430312302.

203213034211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203213034211 - 2¹ = 203213034209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203213034217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9236956090 + ... + 9236956111.

It is an arithmetic number, because the mean of its divisors is an integer number (55421736606).

Almost surely, 2^203213034211 is an apocalyptic number.

203213034211 is a deficient number, since it is larger than the sum of its proper divisors (18473912213).

203213034211 is a wasteful number, since it uses less digits than its factorization.

203213034211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18473912212.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 203213034211 its reverse (112430312302), we get a palindrome (315643346513).

The spelling of 203213034211 in words is "two hundred three billion, two hundred thirteen million, thirty-four thousand, two hundred eleven".