2012311 has 8 divisors (see below), whose sum is σ = 2322944. Its totient is φ = 1707480.

The previous prime is 2012299. The next prime is 2012317. The reversal of 2012311 is 1132102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012311 - 2⁹ = 2011799 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 (2012317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675 + ... + 2116.

It is an arithmetic number, because the mean of its divisors is an integer number (290368).

2^2012311 is an apocalyptic number.

2012311 is a deficient number, since it is larger than the sum of its proper divisors (310633).

2012311 is a wasteful number, since it uses less digits than its factorization.

2012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2012311 is about 1418.5594806000. The cubic root of 2012311 is about 126.2500911675.

Adding to 2012311 its reverse (1132102), we get a palindrome (3144413).

The spelling of 2012311 in words is "two million, twelve thousand, three hundred eleven".