201331112 has 16 divisors (see below), whose sum is σ = 389673600. Its totient is φ = 97418160.

The previous prime is 201331111. The next prime is 201331133. The reversal of 201331112 is 211133102.

It is not an unprimeable number, because it can be changed into a prime (201331111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405662 + ... + 406157.

It is an arithmetic number, because the mean of its divisors is an integer number (24354600).

Almost surely, 2^201331112 is an apocalyptic number.

It is an amenable number.

201331112 is a deficient number, since it is larger than the sum of its proper divisors (188342488).

201331112 is a wasteful number, since it uses less digits than its factorization.

201331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811856 (or 811852 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 201331112 is about 14189.1194934710. The cubic root of 201331112 is about 586.0980783005.

Adding to 201331112 its reverse (211133102), we get a palindrome (412464214).

The spelling of 201331112 in words is "two hundred one million, three hundred thirty-one thousand, one hundred twelve".