2011234013 has 4 divisors (see below), whose sum is σ = 2080586940. Its totient is φ = 1941881088.

The previous prime is 2011234009. The next prime is 2011234031. The reversal of 2011234013 is 3104321102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1482096004 + 529138009 = 38498^2 + 23003^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011234013 - 2² = 2011234009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011233982 and 2011234000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011234613) 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, 34676420 + ... + 34676477.

It is an arithmetic number, because the mean of its divisors is an integer number (520146735).

Almost surely, 2^2011234013 is an apocalyptic number.

It is an amenable number.

2011234013 is a deficient number, since it is larger than the sum of its proper divisors (69352927).

2011234013 is an equidigital number, since it uses as much as digits as its factorization.

2011234013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69352926.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2011234013 is about 44846.7837531299. The cubic root of 2011234013 is about 1262.2756417055.

Adding to 2011234013 its reverse (3104321102), we get a palindrome (5115555115).

The spelling of 2011234013 in words is "two billion, eleven million, two hundred thirty-four thousand, thirteen".