2031113120331 has 16 divisors (see below), whose sum is σ = 2765881801728. Its totient is φ = 1325212233600.

The previous prime is 2031113120321. The next prime is 2031113120347. The reversal of 2031113120331 is 1330213111302.

It is a happy number.

It is not a de Polignac number, because 2031113120331 - 2⁵ = 2031113120299 is a prime.

It is a super-2 number, since 2×2031113120331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031113120298 and 2031113120307.

It is not an unprimeable number, because it can be changed into a prime (2031113120321) 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 15 ways as a sum of consecutive naturals, for example, 3413386 + ... + 3964016.

It is an arithmetic number, because the mean of its divisors is an integer number (172867612608).

Almost surely, 2^{2031113120331} is an apocalyptic number.

2031113120331 is a deficient number, since it is larger than the sum of its proper divisors (734768681397).

2031113120331 is a wasteful number, since it uses less digits than its factorization.

2031113120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576842.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2031113120331 its reverse (1330213111302), we get a palindrome (3361326231633).

The spelling of 2031113120331 in words is "two trillion, thirty-one billion, one hundred thirteen million, one hundred twenty thousand, three hundred thirty-one".