312332211231347 has 2 divisors, whose sum is σ = 312332211231348. Its totient is φ = 312332211231346.

The previous prime is 312332211231323. The next prime is 312332211231473. The reversal of 312332211231347 is 743132112233213.

It is a happy number.

Together with next prime (312332211231473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312332211231347 - 2²² = 312332207037043 is a prime.

It is a super-2 number, since 2×312332211231347² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312332211231347.

It is not a weakly prime, because it can be changed into another prime (312332211236347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156166105615673 + 156166105615674.

It is an arithmetic number, because the mean of its divisors is an integer number (156166105615674).

Almost surely, 2^{312332211231347} is an apocalyptic number.

312332211231347 is a deficient number, since it is larger than the sum of its proper divisors (1).

312332211231347 is an equidigital number, since it uses as much as digits as its factorization.

312332211231347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 38.

The spelling of 312332211231347 in words is "three hundred twelve trillion, three hundred thirty-two billion, two hundred eleven million, two hundred thirty-one thousand, three hundred forty-seven".