201311330 has 48 divisors (see below), whose sum is σ = 412103160. Its totient is φ = 70667520.

The previous prime is 201311323. The next prime is 201311393. The reversal of 201311330 is 33113102.

It can be written as a sum of positive squares in 4 ways, for example, as 98227921 + 103083409 = 9911^2 + 10153^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32222 + ... + 37958.

Almost surely, 2^201311330 is an apocalyptic number.

201311330 is an abundant number, since it is smaller than the sum of its proper divisors (210791830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201311330 is a wasteful number, since it uses less digits than its factorization.

201311330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795 (or 5784 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 201311330 is about 14188.4223929230. The cubic root of 201311330 is about 586.0788817775.

Adding to 201311330 its reverse (33113102), we get a palindrome (234424432).

The spelling of 201311330 in words is "two hundred one million, three hundred eleven thousand, three hundred thirty".