3112303312031 has 4 divisors (see below), whose sum is σ = 3163324677864. Its totient is φ = 3061281946200.

The previous prime is 3112303311889. The next prime is 3112303312043. The reversal of 3112303312031 is 1302133032113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3112303312031 - 2³⁴ = 3095123442847 is a prime.

It is a super-2 number, since 2×3112303312031² (a number of 26 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 = 3112303311988 and 3112303312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112303312051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25510682825 + ... + 25510682946.

It is an arithmetic number, because the mean of its divisors is an integer number (790831169466).

Almost surely, 2^{3112303312031} is an apocalyptic number.

3112303312031 is a deficient number, since it is larger than the sum of its proper divisors (51021365833).

3112303312031 is an equidigital number, since it uses as much as digits as its factorization.

3112303312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51021365832.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 3112303312031 its reverse (1302133032113), we get a palindrome (4414436344144).

The spelling of 3112303312031 in words is "three trillion, one hundred twelve billion, three hundred three million, three hundred twelve thousand, thirty-one".