2011312233 has 12 divisors (see below), whose sum is σ = 3320261568. Its totient is φ = 1149321240.

The previous prime is 2011312231. The next prime is 2011312249. The reversal of 2011312233 is 3322131102.

2011312233 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2011312233 - 2¹ = 2011312231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011312231) 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, 15962733 + ... + 15962858.

It is an arithmetic number, because the mean of its divisors is an integer number (276688464).

Almost surely, 2^2011312233 is an apocalyptic number.

It is an amenable number.

2011312233 is a deficient number, since it is larger than the sum of its proper divisors (1308949335).

2011312233 is a wasteful number, since it uses less digits than its factorization.

2011312233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31925604 (or 31925601 counting only the distinct ones).

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

The square root of 2011312233 is about 44847.6558250261. The cubic root of 2011312233 is about 1262.2920054437.

Adding to 2011312233 its reverse (3322131102), we get a palindrome (5333443335).

The spelling of 2011312233 in words is "two billion, eleven million, three hundred twelve thousand, two hundred thirty-three".