2143341311 has 4 divisors (see below), whose sum is σ = 2143710672. Its totient is φ = 2142971952.

The previous prime is 2143341307. The next prime is 2143341313. The reversal of 2143341311 is 1131433412.

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

It is a cyclic number.

It is not a de Polignac number, because 2143341311 - 2² = 2143341307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143341313) 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, 175835 + ... + 187628.

It is an arithmetic number, because the mean of its divisors is an integer number (535927668).

Almost surely, 2^2143341311 is an apocalyptic number.

2143341311 is a deficient number, since it is larger than the sum of its proper divisors (369361).

2143341311 is an equidigital number, since it uses as much as digits as its factorization.

2143341311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369360.

The product of its digits is 864, while the sum is 23.

The square root of 2143341311 is about 46296.2343069066. The cubic root of 2143341311 is about 1289.3290806418.

Adding to 2143341311 its reverse (1131433412), we get a palindrome (3274774723).

The spelling of 2143341311 in words is "two billion, one hundred forty-three million, three hundred forty-one thousand, three hundred eleven".