2112131303031 has 8 divisors (see below), whose sum is σ = 2816200289920. Its totient is φ = 1408074925752.

The previous prime is 2112131303017. The next prime is 2112131303039. The reversal of 2112131303031 is 1303031312112.

It is a happy number.

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

It is not a de Polignac number, because 2112131303031 - 2⁷ = 2112131302903 is a prime.

It is a super-2 number, since 2×2112131303031² (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 = 2112131302989 and 2112131303007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112131303039) 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 7 ways as a sum of consecutive naturals, for example, 2754385 + ... + 3436698.

It is an arithmetic number, because the mean of its divisors is an integer number (352025036240).

Almost surely, 2^{2112131303031} is an apocalyptic number.

2112131303031 is a deficient number, since it is larger than the sum of its proper divisors (704068986889).

2112131303031 is a wasteful number, since it uses less digits than its factorization.

2112131303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304805.

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

Adding to 2112131303031 its reverse (1303031312112), we get a palindrome (3415162615143).

The spelling of 2112131303031 in words is "two trillion, one hundred twelve billion, one hundred thirty-one million, three hundred three thousand, thirty-one".