2011312103 has 8 divisors (see below), whose sum is σ = 2016964608. Its totient is φ = 2005668504.

The previous prime is 2011312087. The next prime is 2011312123. The reversal of 2011312103 is 3012131102.

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 2011312103 - 2⁴ = 2011312087 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 (2011312123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789650 + ... + 792192.

It is an arithmetic number, because the mean of its divisors is an integer number (252120576).

Almost surely, 2^2011312103 is an apocalyptic number.

2011312103 is a deficient number, since it is larger than the sum of its proper divisors (5652505).

2011312103 is a wasteful number, since it uses less digits than its factorization.

2011312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2011312103 is about 44847.6543756750. The cubic root of 2011312103 is about 1262.2919782478.

Adding to 2011312103 its reverse (3012131102), we get a palindrome (5023443205).

The spelling of 2011312103 in words is "two billion, eleven million, three hundred twelve thousand, one hundred three".