2011320033 has 4 divisors (see below), whose sum is σ = 2681760048. Its totient is φ = 1340880020.

The previous prime is 2011320029. The next prime is 2011320041. The reversal of 2011320033 is 3300231102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2011320033 - 2² = 2011320029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011319994 and 2011320021.

It is not an unprimeable number, because it can be changed into a prime (2011320043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335220003 + ... + 335220008.

It is an arithmetic number, because the mean of its divisors is an integer number (670440012).

Almost surely, 2^2011320033 is an apocalyptic number.

It is an amenable number.

2011320033 is a deficient number, since it is larger than the sum of its proper divisors (670440015).

2011320033 is an equidigital number, since it uses as much as digits as its factorization.

2011320033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670440014.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2011320033 is about 44847.7427860088. The cubic root of 2011320033 is about 1262.2936371918.

Adding to 2011320033 its reverse (3300231102), we get a palindrome (5311551135).

The spelling of 2011320033 in words is "two billion, eleven million, three hundred twenty thousand, thirty-three".