2013240811 has 2 divisors, whose sum is σ = 2013240812. Its totient is φ = 2013240810.

The previous prime is 2013240809. The next prime is 2013240821. The reversal of 2013240811 is 1180423102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013240811 - 2¹ = 2013240809 is a prime.

Together with 2013240809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2013240821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006620405 + 1006620406.

It is an arithmetic number, because the mean of its divisors is an integer number (1006620406).

Almost surely, 2^2013240811 is an apocalyptic number.

2013240811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013240811 is an equidigital number, since it uses as much as digits as its factorization.

2013240811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2013240811 is about 44869.1521092164. The cubic root of 2013240811 is about 1262.6953326628.

Adding to 2013240811 its reverse (1180423102), we get a palindrome (3193663913).

The spelling of 2013240811 in words is "two billion, thirteen million, two hundred forty thousand, eight hundred eleven".