201331330 has 16 divisors (see below), whose sum is σ = 362557944. Its totient is φ = 80496640.

The previous prime is 201331327. The next prime is 201331337. The reversal of 201331330 is 33133102.

It can be written as a sum of positive squares in 4 ways, for example, as 200817241 + 514089 = 14171^2 + 717^2 .

It is not an unprimeable number, because it can be changed into a prime (201331337) 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, 42564 + ... + 47056.

Almost surely, 2^201331330 is an apocalyptic number.

201331330 is a deficient number, since it is larger than the sum of its proper divisors (161226614).

201331330 is a wasteful number, since it uses less digits than its factorization.

201331330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8981.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 201331330 is about 14189.1271754115. The cubic root of 201331330 is about 586.0982898415.

Adding to 201331330 its reverse (33133102), we get a palindrome (234464432).

The spelling of 201331330 in words is "two hundred one million, three hundred thirty-one thousand, three hundred thirty".