201331234 has 16 divisors (see below), whose sum is σ = 326475072. Its totient is φ = 92565648.

The previous prime is 201331223. The next prime is 201331237. The reversal of 201331234 is 432133102.

It is not an unprimeable number, because it can be changed into a prime (201331237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7884 + ... + 21559.

It is an arithmetic number, because the mean of its divisors is an integer number (20404692).

Almost surely, 2^201331234 is an apocalyptic number.

201331234 is a deficient number, since it is larger than the sum of its proper divisors (125143838).

201331234 is a wasteful number, since it uses less digits than its factorization.

201331234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29721.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 201331234 is about 14189.1237925391. The cubic root of 201331234 is about 586.0981966858.

Adding to 201331234 its reverse (432133102), we get a palindrome (633464336).

The spelling of 201331234 in words is "two hundred one million, three hundred thirty-one thousand, two hundred thirty-four".