2011312004 has 48 divisors (see below), whose sum is σ = 3962649600. Its totient is φ = 886300800.

The previous prime is 2011311977. The next prime is 2011312019. The reversal of 2011312004 is 4002131102.

It is a self number, because there is not a number n which added to its sum of digits gives 2011312004.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 837197 + ... + 839595.

It is an arithmetic number, because the mean of its divisors is an integer number (82555200).

Almost surely, 2^2011312004 is an apocalyptic number.

It is an amenable number.

2011312004 is a deficient number, since it is larger than the sum of its proper divisors (1951337596).

2011312004 is a wasteful number, since it uses less digits than its factorization.

2011312004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140 (or 3138 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2011312004 is about 44847.6532719383. The cubic root of 2011312004 is about 1262.2919575372.

Adding to 2011312004 its reverse (4002131102), we get a palindrome (6013443106).

The spelling of 2011312004 in words is "two billion, eleven million, three hundred twelve thousand, four".