2043212311 has 4 divisors (see below), whose sum is σ = 2335099792. Its totient is φ = 1751324832.

The previous prime is 2043212309. The next prime is 2043212317. The reversal of 2043212311 is 1132123402.

It is a happy number.

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 2043212311 - 2¹ = 2043212309 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 (2043212317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145943730 + ... + 145943743.

It is an arithmetic number, because the mean of its divisors is an integer number (583774948).

Almost surely, 2^2043212311 is an apocalyptic number.

2043212311 is a deficient number, since it is larger than the sum of its proper divisors (291887481).

2043212311 is an equidigital number, since it uses as much as digits as its factorization.

2043212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291887480.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2043212311 is about 45201.9060549442. The cubic root of 2043212311 is about 1268.9304883823.

Adding to 2043212311 its reverse (1132123402), we get a palindrome (3175335713).

The spelling of 2043212311 in words is "two billion, forty-three million, two hundred twelve thousand, three hundred eleven".