2102040343 has 16 divisors (see below), whose sum is σ = 2360893696. Its totient is φ = 1858360320.

The previous prime is 2102040341. The next prime is 2102040349. The reversal of 2102040343 is 3430402012.

It is a cyclic number.

It is not a de Polignac number, because 2102040343 - 2¹ = 2102040341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102040343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102040341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12205 + ... + 65977.

It is an arithmetic number, because the mean of its divisors is an integer number (147555856).

Almost surely, 2^2102040343 is an apocalyptic number.

2102040343 is a deficient number, since it is larger than the sum of its proper divisors (258853353).

2102040343 is a wasteful number, since it uses less digits than its factorization.

2102040343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53914.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2102040343 is about 45848.0135120378. The cubic root of 2102040343 is about 1280.9937641928.

Adding to 2102040343 its reverse (3430402012), we get a palindrome (5532442355).

The spelling of 2102040343 in words is "two billion, one hundred two million, forty thousand, three hundred forty-three".