2013121113231 has 8 divisors (see below), whose sum is σ = 2710221304960. Its totient is φ = 1329050831832.

The previous prime is 2013121113203. The next prime is 2013121113299. The reversal of 2013121113231 is 1323111213102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2013121113231 - 2¹⁰ = 2013121112207 is a prime.

It is a super-2 number, since 2×2013121113231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013121113198 and 2013121113207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013121113131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3257477221 + ... + 3257477838.

It is an arithmetic number, because the mean of its divisors is an integer number (338777663120).

Almost surely, 2^{2013121113231} is an apocalyptic number.

2013121113231 is a deficient number, since it is larger than the sum of its proper divisors (697100191729).

2013121113231 is a wasteful number, since it uses less digits than its factorization.

2013121113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6514955165.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2013121113231 its reverse (1323111213102), we get a palindrome (3336232326333).

The spelling of 2013121113231 in words is "two trillion, thirteen billion, one hundred twenty-one million, one hundred thirteen thousand, two hundred thirty-one".