201231332 has 12 divisors (see below), whose sum is σ = 352372860. Its totient is φ = 100553376.

The previous prime is 201231307. The next prime is 201231341. The reversal of 201231332 is 233132102.

It can be written as a sum of positive squares in 2 ways, for example, as 128913316 + 72318016 = 11354^2 + 8504^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201231332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7883 + ... + 21554.

It is an arithmetic number, because the mean of its divisors is an integer number (29364405).

Almost surely, 2^201231332 is an apocalyptic number.

It is an amenable number.

201231332 is a deficient number, since it is larger than the sum of its proper divisors (151141528).

201231332 is a wasteful number, since it uses less digits than its factorization.

201231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31150 (or 31148 counting only the distinct ones).

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

The square root of 201231332 is about 14185.6029833067. The cubic root of 201231332 is about 586.0012386063.

Adding to 201231332 its reverse (233132102), we get a palindrome (434363434).

The spelling of 201231332 in words is "two hundred one million, two hundred thirty-one thousand, three hundred thirty-two".