2011312133 has 8 divisors (see below), whose sum is σ = 2039657856. Its totient is φ = 1982988000.

The previous prime is 2011312129. The next prime is 2011312189. The reversal of 2011312133 is 3312131102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011312133 - 2² = 2011312129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011312123) 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, 308558 + ... + 315008.

It is an arithmetic number, because the mean of its divisors is an integer number (254957232).

Almost surely, 2^2011312133 is an apocalyptic number.

It is an amenable number.

2011312133 is a deficient number, since it is larger than the sum of its proper divisors (28345723).

2011312133 is an equidigital number, since it uses as much as digits as its factorization.

2011312133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10795.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2011312133 is about 44847.6547101406. The cubic root of 2011312133 is about 1262.2919845238.

Adding to 2011312133 its reverse (3312131102), we get a palindrome (5323443235).

The spelling of 2011312133 in words is "two billion, eleven million, three hundred twelve thousand, one hundred thirty-three".