203131242133 has 8 divisors (see below), whose sum is σ = 214417972800. Its totient is φ = 191904072768.

The previous prime is 203131242121. The next prime is 203131242157. The reversal of 203131242133 is 331242131302.

203131242133 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203131242133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203131242098 and 203131242107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203131242163) 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 7 ways as a sum of consecutive naturals, for example, 14883316 + ... + 14896957.

It is an arithmetic number, because the mean of its divisors is an integer number (26802246600).

Almost surely, 2^203131242133 is an apocalyptic number.

It is an amenable number.

203131242133 is a deficient number, since it is larger than the sum of its proper divisors (11286730667).

203131242133 is a wasteful number, since it uses less digits than its factorization.

203131242133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29780651.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 203131242133 its reverse (331242131302), we get a palindrome (534373373435).

The spelling of 203131242133 in words is "two hundred three billion, one hundred thirty-one million, two hundred forty-two thousand, one hundred thirty-three".