203211300434 has 16 divisors (see below), whose sum is σ = 310052327256. Its totient is φ = 99863088000.

The previous prime is 203211300407. The next prime is 203211300527. The reversal of 203211300434 is 434003112302.

203211300434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11362920409 + 191848380025 = 106597^2 + 438005^2 .

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, 481427 + ... + 798870.

Almost surely, 2^203211300434 is an apocalyptic number.

203211300434 is a deficient number, since it is larger than the sum of its proper divisors (106841026822).

203211300434 is a wasteful number, since it uses less digits than its factorization.

203211300434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281661.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 203211300434 its reverse (434003112302), we get a palindrome (637214412736).

The spelling of 203211300434 in words is "two hundred three billion, two hundred eleven million, three hundred thousand, four hundred thirty-four".