2113133291 has 2 divisors, whose sum is σ = 2113133292. Its totient is φ = 2113133290.

The previous prime is 2113133273. The next prime is 2113133293. The reversal of 2113133291 is 1923313112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2113133291 - 2¹⁸ = 2112871147 is a prime.

Together with 2113133293, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113133291.

It is not a weakly prime, because it can be changed into another prime (2113133293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056566645 + 1056566646.

It is an arithmetic number, because the mean of its divisors is an integer number (1056566646).

Almost surely, 2^2113133291 is an apocalyptic number.

2113133291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113133291 is an equidigital number, since it uses as much as digits as its factorization.

2113133291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 26.

The square root of 2113133291 is about 45968.8295587347. The cubic root of 2113133291 is about 1283.2431776924.

The spelling of 2113133291 in words is "two billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred ninety-one".