203143240202 has 8 divisors (see below), whose sum is σ = 348245554656. Its totient is φ = 87061388652.

The previous prime is 203143240189. The next prime is 203143240207. The reversal of 203143240202 is 202042341302.

203143240202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (203143240207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7255115708 + ... + 7255115735.

It is an arithmetic number, because the mean of its divisors is an integer number (43530694332).

Almost surely, 2^203143240202 is an apocalyptic number.

203143240202 is a deficient number, since it is larger than the sum of its proper divisors (145102314454).

203143240202 is a wasteful number, since it uses less digits than its factorization.

203143240202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14510231452.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 203143240202 its reverse (202042341302), we get a palindrome (405185581504).

The spelling of 203143240202 in words is "two hundred three billion, one hundred forty-three million, two hundred forty thousand, two hundred two".