2012313243 has 4 divisors (see below), whose sum is σ = 2683084328. Its totient is φ = 1341542160.

The previous prime is 2012313241. The next prime is 2012313271. The reversal of 2012313243 is 3423132102.

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

It is not a de Polignac number, because 2012313243 - 2¹ = 2012313241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012313241) 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, 335385538 + ... + 335385543.

It is an arithmetic number, because the mean of its divisors is an integer number (670771082).

Almost surely, 2^2012313243 is an apocalyptic number.

2012313243 is a deficient number, since it is larger than the sum of its proper divisors (670771085).

2012313243 is an equidigital number, since it uses as much as digits as its factorization.

2012313243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670771084.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2012313243 is about 44858.8145518804. The cubic root of 2012313243 is about 1262.5013807520.

Adding to 2012313243 its reverse (3423132102), we get a palindrome (5435445345).

The spelling of 2012313243 in words is "two billion, twelve million, three hundred thirteen thousand, two hundred forty-three".