203120233133 has 4 divisors (see below), whose sum is σ = 203591510208. Its totient is φ = 202648956060.

The previous prime is 203120233079. The next prime is 203120233139. The reversal of 203120233133 is 331332021302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331332021302 = 2 ⋅165666010651.

It is a cyclic number.

It is not a de Polignac number, because 203120233133 - 2⁸ = 203120232877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203120233099 and 203120233108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203120233139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235637891 + ... + 235638752.

It is an arithmetic number, because the mean of its divisors is an integer number (50897877552).

Almost surely, 2^203120233133 is an apocalyptic number.

It is an amenable number.

203120233133 is a deficient number, since it is larger than the sum of its proper divisors (471277075).

203120233133 is an equidigital number, since it uses as much as digits as its factorization.

203120233133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471277074.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 203120233133 its reverse (331332021302), we get a palindrome (534452254435).

The spelling of 203120233133 in words is "two hundred three billion, one hundred twenty million, two hundred thirty-three thousand, one hundred thirty-three".