2013031111231 has 16 divisors (see below), whose sum is σ = 2332551040000. Its totient is φ = 1701505891008.

The previous prime is 2013031111219. The next prime is 2013031111237. The reversal of 2013031111231 is 1321111303102.

It is not a de Polignac number, because 2013031111231 - 2³⁵ = 1978671372863 is a prime.

It is a super-2 number, since 2×2013031111231² (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 = 2013031111199 and 2013031111208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013031111237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2440270 + ... + 3159268.

It is an arithmetic number, because the mean of its divisors is an integer number (145784440000).

Almost surely, 2^{2013031111231} is an apocalyptic number.

2013031111231 is a deficient number, since it is larger than the sum of its proper divisors (319519928769).

2013031111231 is an equidigital number, since it uses as much as digits as its factorization.

2013031111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724558.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2013031111231 its reverse (1321111303102), we get a palindrome (3334142414333).

The spelling of 2013031111231 in words is "two trillion, thirteen billion, thirty-one million, one hundred eleven thousand, two hundred thirty-one".