2013031131223 has 16 divisors (see below), whose sum is σ = 2315369111040. Its totient is φ = 1714384709856.

The previous prime is 2013031131211. The next prime is 2013031131239. The reversal of 2013031131223 is 3221311303102.

It is not a de Polignac number, because 2013031131223 - 2¹³ = 2013031123031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013031131194 and 2013031131203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013031131323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43324638 + ... + 43371076.

It is an arithmetic number, because the mean of its divisors is an integer number (144710569440).

Almost surely, 2^{2013031131223} is an apocalyptic number.

2013031131223 is a deficient number, since it is larger than the sum of its proper divisors (302337979817).

2013031131223 is a wasteful number, since it uses less digits than its factorization.

2013031131223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86046.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2013031131223 its reverse (3221311303102), we get a palindrome (5234342434325).

The spelling of 2013031131223 in words is "two trillion, thirteen billion, thirty-one million, one hundred thirty-one thousand, two hundred twenty-three".