211203323434 has 16 divisors (see below), whose sum is σ = 319012414272. Its totient is φ = 104867797248.

The previous prime is 211203323417. The next prime is 211203323449. The reversal of 211203323434 is 434323302112.

It is a happy number.

211203323434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 268614 + ... + 703249.

It is an arithmetic number, because the mean of its divisors is an integer number (19938275892).

Almost surely, 2^211203323434 is an apocalyptic number.

211203323434 is a deficient number, since it is larger than the sum of its proper divisors (107809090838).

211203323434 is a wasteful number, since it uses less digits than its factorization.

211203323434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972621.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 211203323434 its reverse (434323302112), we get a palindrome (645526625546).

The spelling of 211203323434 in words is "two hundred eleven billion, two hundred three million, three hundred twenty-three thousand, four hundred thirty-four".