203122312133 has 8 divisors (see below), whose sum is σ = 230260111200. Its totient is φ = 177629228208.

The previous prime is 203122312121. The next prime is 203122312223. The reversal of 203122312133 is 331213221302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203122312133 - 2⁸ = 203122311877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203122312099 and 203122312108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122312333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411178523 + ... + 411179016.

It is an arithmetic number, because the mean of its divisors is an integer number (28782513900).

Almost surely, 2^203122312133 is an apocalyptic number.

It is an amenable number.

203122312133 is a deficient number, since it is larger than the sum of its proper divisors (27137799067).

203122312133 is a wasteful number, since it uses less digits than its factorization.

203122312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822357571.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 203122312133 its reverse (331213221302), we get a palindrome (534335533435).

The spelling of 203122312133 in words is "two hundred three billion, one hundred twenty-two million, three hundred twelve thousand, one hundred thirty-three".