2811343 has 2 divisors, whose sum is σ = 2811344. Its totient is φ = 2811342.

The previous prime is 2811337. The next prime is 2811349. The reversal of 2811343 is 3431182.

It is a balanced prime because it is at equal distance from previous prime (2811337) and next prime (2811349).

It is a cyclic number.

It is not a de Polignac number, because 2811343 - 2⁵ = 2811311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2811349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1405671 + 1405672.

It is an arithmetic number, because the mean of its divisors is an integer number (1405672).

2^2811343 is an apocalyptic number.

2811343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2811343 is an equidigital number, since it uses as much as digits as its factorization.

2811343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 2811343 is about 1676.7059968879. The cubic root of 2811343 is about 141.1360456118.

The spelling of 2811343 in words is "two million, eight hundred eleven thousand, three hundred forty-three".