2011133304 has 48 divisors (see below), whose sum is σ = 5478337800. Its totient is φ = 666498624.

The previous prime is 2011133281. The next prime is 2011133309. The reversal of 2011133304 is 4033311102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011133309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68274 + ... + 93185.

Almost surely, 2^2011133304 is an apocalyptic number.

2011133304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2011133304 is an abundant number, since it is smaller than the sum of its proper divisors (3467204496).

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

2011133304 is a wasteful number, since it uses less digits than its factorization.

2011133304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161644 (or 161637 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2011133304 is about 44845.6609272291. The cubic root of 2011133304 is about 1262.2545726108.

Adding to 2011133304 its reverse (4033311102), we get a palindrome (6044444406).

The spelling of 2011133304 in words is "two billion, eleven million, one hundred thirty-three thousand, three hundred four".