203142304133 has 4 divisors (see below), whose sum is σ = 207866543808. Its totient is φ = 198418064460.

The previous prime is 203142304129. The next prime is 203142304147. The reversal of 203142304133 is 331403241302.

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.

It is a cyclic number.

It is not a de Polignac number, because 203142304133 - 2² = 203142304129 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 (203142304153) 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, 2362119773 + ... + 2362119858.

It is an arithmetic number, because the mean of its divisors is an integer number (51966635952).

Almost surely, 2^203142304133 is an apocalyptic number.

It is an amenable number.

203142304133 is a deficient number, since it is larger than the sum of its proper divisors (4724239675).

203142304133 is an equidigital number, since it uses as much as digits as its factorization.

203142304133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724239674.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 203142304133 its reverse (331403241302), we get a palindrome (534545545435).

The spelling of 203142304133 in words is "two hundred three billion, one hundred forty-two million, three hundred four thousand, one hundred thirty-three".