203211020133 has 32 divisors (see below), whose sum is σ = 329831498880. Its totient is φ = 122629576320.

The previous prime is 203211020119. The next prime is 203211020143. The reversal of 203211020133 is 331020112302.

It is not a de Polignac number, because 203211020133 - 2⁵ = 203211020101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203211020113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1399066 + ... + 1537467.

It is an arithmetic number, because the mean of its divisors is an integer number (10307234340).

Almost surely, 2^203211020133 is an apocalyptic number.

It is an amenable number.

203211020133 is a deficient number, since it is larger than the sum of its proper divisors (126620478747).

203211020133 is a wasteful number, since it uses less digits than its factorization.

203211020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936786 (or 2936780 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 203211020133 its reverse (331020112302), we get a palindrome (534231132435).

The spelling of 203211020133 in words is "two hundred three billion, two hundred eleven million, twenty thousand, one hundred thirty-three".