201203242133 has 4 divisors (see below), whose sum is σ = 202366266828. Its totient is φ = 200040217440.

The previous prime is 201203242103. The next prime is 201203242223. The reversal of 201203242133 is 331242302102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81602778244 + 119600463889 = 285662^2 + 345833^2 .

It is a cyclic number.

It is not a de Polignac number, because 201203242133 - 2⁶ = 201203242069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201203242099 and 201203242108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201203242103) 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, 581512088 + ... + 581512433.

It is an arithmetic number, because the mean of its divisors is an integer number (50591566707).

Almost surely, 2^201203242133 is an apocalyptic number.

It is an amenable number.

201203242133 is a deficient number, since it is larger than the sum of its proper divisors (1163024695).

201203242133 is a wasteful number, since it uses less digits than its factorization.

201203242133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163024694.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 201203242133 its reverse (331242302102), we get a palindrome (532445544235).

The spelling of 201203242133 in words is "two hundred one billion, two hundred three million, two hundred forty-two thousand, one hundred thirty-three".