2011304633 has 4 divisors (see below), whose sum is σ = 2166020388. Its totient is φ = 1856588880.

The previous prime is 2011304623. The next prime is 2011304677. The reversal of 2011304633 is 3364031102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 971693584 + 1039611049 = 31172^2 + 32243^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011304633 - 2²⁰ = 2010256057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011304599 and 2011304608.

It is not an unprimeable number, because it can be changed into a prime (2011304623) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 77357858 + ... + 77357883.

It is an arithmetic number, because the mean of its divisors is an integer number (541505097).

Almost surely, 2^2011304633 is an apocalyptic number.

It is an amenable number.

2011304633 is a deficient number, since it is larger than the sum of its proper divisors (154715755).

2011304633 is a wasteful number, since it uses less digits than its factorization.

2011304633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154715754.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2011304633 is about 44847.5710936501. The cubic root of 2011304633 is about 1262.2904155312.

Adding to 2011304633 its reverse (3364031102), we get a palindrome (5375335735).

The spelling of 2011304633 in words is "two billion, eleven million, three hundred four thousand, six hundred thirty-three".