201312233 has 16 divisors (see below), whose sum is σ = 213497856. Its totient is φ = 189534720.

The previous prime is 201312217. The next prime is 201312257. The reversal of 201312233 is 332213102.

It is a cyclic number.

It is not a de Polignac number, because 201312233 - 2⁴ = 201312217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201312263) 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, 339185 + ... + 339777.

It is an arithmetic number, because the mean of its divisors is an integer number (13343616).

Almost surely, 2^201312233 is an apocalyptic number.

It is an amenable number.

201312233 is a deficient number, since it is larger than the sum of its proper divisors (12185623).

201312233 is a wasteful number, since it uses less digits than its factorization.

201312233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 201312233 is about 14188.4542146070. The cubic root of 201312233 is about 586.0797580793.

Adding to 201312233 its reverse (332213102), we get a palindrome (533525335).

The spelling of 201312233 in words is "two hundred one million, three hundred twelve thousand, two hundred thirty-three".