2013211231 has 4 divisors (see below), whose sum is σ = 2037466872. Its totient is φ = 1988955592.

The previous prime is 2013211223. The next prime is 2013211241. The reversal of 2013211231 is 1321123102.

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 2013211231 - 2³ = 2013211223 is a prime.

It is a super-2 number, since 2×2013211231² = 8106038921249070722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013211241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12127696 + ... + 12127861.

It is an arithmetic number, because the mean of its divisors is an integer number (509366718).

Almost surely, 2^2013211231 is an apocalyptic number.

2013211231 is a deficient number, since it is larger than the sum of its proper divisors (24255641).

2013211231 is an equidigital number, since it uses as much as digits as its factorization.

2013211231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24255640.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2013211231 is about 44868.8224828778. The cubic root of 2013211231 is about 1262.6891484860.

Adding to 2013211231 its reverse (1321123102), we get a palindrome (3334334333).

The spelling of 2013211231 in words is "two billion, thirteen million, two hundred eleven thousand, two hundred thirty-one".