312110143031 has 2 divisors, whose sum is σ = 312110143032. Its totient is φ = 312110143030.

The previous prime is 312110143013. The next prime is 312110143049. The reversal of 312110143031 is 130341011213.

Together with previous prime (312110143013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (312110143013) and next prime (312110143049).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312110143031 is a prime.

It is a super-2 number, since 2×312110143031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312110142994 and 312110143012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312110143001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156055071515 + 156055071516.

It is an arithmetic number, because the mean of its divisors is an integer number (156055071516).

Almost surely, 2^312110143031 is an apocalyptic number.

312110143031 is a deficient number, since it is larger than the sum of its proper divisors (1).

312110143031 is an equidigital number, since it uses as much as digits as its factorization.

312110143031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 312110143031 its reverse (130341011213), we get a palindrome (442451154244).

The spelling of 312110143031 in words is "three hundred twelve billion, one hundred ten million, one hundred forty-three thousand, thirty-one".