201230133 has 16 divisors (see below), whose sum is σ = 289201920. Its totient is φ = 123724224.

The previous prime is 201230131. The next prime is 201230149. The reversal of 201230133 is 331032102.

It is not a de Polignac number, because 201230133 - 2¹ = 201230131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201230131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77860 + ... + 80402.

It is an arithmetic number, because the mean of its divisors is an integer number (18075120).

Almost surely, 2^201230133 is an apocalyptic number.

It is an amenable number.

201230133 is a deficient number, since it is larger than the sum of its proper divisors (87971787).

201230133 is a wasteful number, since it uses less digits than its factorization.

201230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 201230133 is about 14185.5607220864. The cubic root of 201230133 is about 586.0000747436. Note that the first 4 decimals are identical.

Adding to 201230133 its reverse (331032102), we get a palindrome (532262235).

The spelling of 201230133 in words is "two hundred one million, two hundred thirty thousand, one hundred thirty-three".