2102311 has 2 divisors, whose sum is σ = 2102312. Its totient is φ = 2102310.

The previous prime is 2102291. The next prime is 2102323. The reversal of 2102311 is 1132012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102311 - 2⁵ = 2102279 is a prime.

2102311 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051155 + 1051156.

It is an arithmetic number, because the mean of its divisors is an integer number (1051156).

2^2102311 is an apocalyptic number.

2102311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102311 is an equidigital number, since it uses as much as digits as its factorization.

2102311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2102311 is about 1449.9348261215. The cubic root of 2102311 is about 128.1048741737.

Adding to 2102311 its reverse (1132012), we get a palindrome (3234323).

Subtracting from 2102311 its reverse (1132012), we obtain a cube (970299 = 99³).

The spelling of 2102311 in words is "two million, one hundred two thousand, three hundred eleven".