2013223131 has 6 divisors (see below), whose sum is σ = 2907988980. Its totient is φ = 1342148748.

The previous prime is 2013223117. The next prime is 2013223139. The reversal of 2013223131 is 1313223102.

It is not a de Polignac number, because 2013223131 - 2⁵ = 2013223099 is a prime.

It is a super-2 number, since 2×2013223131² = 8106134750386886322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2013223139) 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 5 ways as a sum of consecutive naturals, for example, 111845721 + ... + 111845738.

It is an arithmetic number, because the mean of its divisors is an integer number (484664830).

Almost surely, 2^2013223131 is an apocalyptic number.

2013223131 is a deficient number, since it is larger than the sum of its proper divisors (894765849).

2013223131 is a wasteful number, since it uses less digits than its factorization.

2013223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223691465 (or 223691462 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2013223131 is about 44868.9550914661. The cubic root of 2013223131 is about 1262.6916363805.

Adding to 2013223131 its reverse (1313223102), we get a palindrome (3326446233).

The spelling of 2013223131 in words is "two billion, thirteen million, two hundred twenty-three thousand, one hundred thirty-one".