203033244213 has 12 divisors (see below), whose sum is σ = 296293647468. Its totient is φ = 133960078080.

The previous prime is 203033244191. The next prime is 203033244229. The reversal of 203033244213 is 312442330302.

203033244213 is a `hidden beast` number, since 20 + 303 + 324 + 4 + 2 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 103062187089 + 99971057124 = 321033^2 + 316182^2 .

It is not a de Polignac number, because 203033244213 - 2⁵ = 203033244181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203033244233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116283918 + ... + 116285663.

It is an arithmetic number, because the mean of its divisors is an integer number (24691137289).

Almost surely, 2^203033244213 is an apocalyptic number.

It is an amenable number.

203033244213 is a deficient number, since it is larger than the sum of its proper divisors (93260403255).

203033244213 is a wasteful number, since it uses less digits than its factorization.

203033244213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232569684 (or 232569681 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 203033244213 its reverse (312442330302), we get a palindrome (515475574515).

The spelling of 203033244213 in words is "two hundred three billion, thirty-three million, two hundred forty-four thousand, two hundred thirteen".