203233220031133 has 4 divisors (see below), whose sum is σ = 215188115327100. Its totient is φ = 191278324735168.

The previous prime is 203233220031091. The next prime is 203233220031157. The reversal of 203233220031133 is 331130022332302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162696606646564 + 40536613384569 = 12755258^2 + 6366837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203233220031133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203233820031133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5977447647958 + ... + 5977447647991.

It is an arithmetic number, because the mean of its divisors is an integer number (53797028831775).

Almost surely, 2^{203233220031133} is an apocalyptic number.

It is an amenable number.

203233220031133 is a deficient number, since it is larger than the sum of its proper divisors (11954895295967).

203233220031133 is a wasteful number, since it uses less digits than its factorization.

203233220031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11954895295966.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 203233220031133 its reverse (331130022332302), we get a palindrome (534363242363435).

The spelling of 203233220031133 in words is "two hundred three trillion, two hundred thirty-three billion, two hundred twenty million, thirty-one thousand, one hundred thirty-three".