2113303811 has 2 divisors, whose sum is σ = 2113303812. Its totient is φ = 2113303810.

The previous prime is 2113303781. The next prime is 2113303837. The reversal of 2113303811 is 1183033112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2113303811 - 2¹⁴ = 2113287427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2113303891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056651905 + 1056651906.

It is an arithmetic number, because the mean of its divisors is an integer number (1056651906).

Almost surely, 2^2113303811 is an apocalyptic number.

2113303811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113303811 is an equidigital number, since it uses as much as digits as its factorization.

2113303811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2113303811 is about 45970.6842563823. The cubic root of 2113303811 is about 1283.2776940103.

Adding to 2113303811 its reverse (1183033112), we get a palindrome (3296336923).

The spelling of 2113303811 in words is "two billion, one hundred thirteen million, three hundred three thousand, eight hundred eleven".