2011097343 has 4 divisors (see below), whose sum is σ = 2681463128. Its totient is φ = 1340731560.

The previous prime is 2011097339. The next prime is 2011097359. The reversal of 2011097343 is 3437901102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2011097343 - 2² = 2011097339 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 2011097343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011097323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335182888 + ... + 335182893.

It is an arithmetic number, because the mean of its divisors is an integer number (670365782).

Almost surely, 2^2011097343 is an apocalyptic number.

2011097343 is a deficient number, since it is larger than the sum of its proper divisors (670365785).

2011097343 is an equidigital number, since it uses as much as digits as its factorization.

2011097343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670365784.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 2011097343 is about 44845.2599836371. The cubic root of 2011097343 is about 1262.2470491235.

Adding to 2011097343 its reverse (3437901102), we get a palindrome (5448998445).

The spelling of 2011097343 in words is "two billion, eleven million, ninety-seven thousand, three hundred forty-three".