2012003311 has 4 divisors (see below), whose sum is σ = 2013383800. Its totient is φ = 2010622824.

The previous prime is 2012003243. The next prime is 2012003333. The reversal of 2012003311 is 1133002102.

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 2012003311 - 2¹¹ = 2012001263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012003291 and 2012003300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012003341) 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, 688056 + ... + 690973.

It is an arithmetic number, because the mean of its divisors is an integer number (503345950).

Almost surely, 2^2012003311 is an apocalyptic number.

2012003311 is a deficient number, since it is larger than the sum of its proper divisors (1380489).

2012003311 is a wasteful number, since it uses less digits than its factorization.

2012003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380488.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2012003311 is about 44855.3598915447. The cubic root of 2012003311 is about 1262.4365615413.

Adding to 2012003311 its reverse (1133002102), we get a palindrome (3145005413).

The spelling of 2012003311 in words is "two billion, twelve million, three thousand, three hundred eleven".