2113303331 has 2 divisors, whose sum is σ = 2113303332. Its totient is φ = 2113303330.

The previous prime is 2113303301. The next prime is 2113303333. The reversal of 2113303331 is 1333033112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2113303331 - 2⁶ = 2113303267 is a prime.

It is a super-2 number, since 2×2113303331² = 8932101937631391122, which contains 22 as substring.

Together with 2113303333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2113303333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056651665 + 1056651666.

It is an arithmetic number, because the mean of its divisors is an integer number (1056651666).

Almost surely, 2^2113303331 is an apocalyptic number.

2113303331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113303331 is an equidigital number, since it uses as much as digits as its factorization.

2113303331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 2113303331 is about 45970.6790356636. The cubic root of 2113303331 is about 1283.2775968522.

Adding to 2113303331 its reverse (1333033112), we get a palindrome (3446336443).

The spelling of 2113303331 in words is "two billion, one hundred thirteen million, three hundred three thousand, three hundred thirty-one".