2011030213 has 4 divisors (see below), whose sum is σ = 2013774508. Its totient is φ = 2008285920.

The previous prime is 2011030211. The next prime is 2011030237. The reversal of 2011030213 is 3120301102.

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 1992908164 + 18122049 = 44642^2 + 4257^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011030213 - 2¹ = 2011030211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011030193 and 2011030202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011030211) 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, 1371048 + ... + 1372513.

It is an arithmetic number, because the mean of its divisors is an integer number (503443627).

Almost surely, 2^2011030213 is an apocalyptic number.

It is an amenable number.

2011030213 is a deficient number, since it is larger than the sum of its proper divisors (2744295).

2011030213 is an equidigital number, since it uses as much as digits as its factorization.

2011030213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744294.

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

The square root of 2011030213 is about 44844.5115147885. The cubic root of 2011030213 is about 1262.2330044549.

Adding to 2011030213 its reverse (3120301102), we get a palindrome (5131331315).

The spelling of 2011030213 in words is "two billion, eleven million, thirty thousand, two hundred thirteen".