312332211231473 has 2 divisors, whose sum is σ = 312332211231474. Its totient is φ = 312332211231472.

The previous prime is 312332211231347. The next prime is 312332211231533. The reversal of 312332211231473 is 374132112233213.

It is a happy number.

Together with previous prime (312332211231347) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292009723477264 + 20322487754209 = 17088292^2 + 4508047^2 .

It is an emirp because it is prime and its reverse (374132112233213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312332211231473 - 2²⁰ = 312332210182897 is a prime.

It is not a weakly prime, because it can be changed into another prime (312332211236473) 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, 156166105615736 + 156166105615737.

It is an arithmetic number, because the mean of its divisors is an integer number (156166105615737).

Almost surely, 2^{312332211231473} is an apocalyptic number.

It is an amenable number.

312332211231473 is a deficient number, since it is larger than the sum of its proper divisors (1).

312332211231473 is an equidigital number, since it uses as much as digits as its factorization.

312332211231473 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.

Adding to 312332211231473 its reverse (374132112233213), we get a palindrome (686464323464686).

The spelling of 312332211231473 in words is "three hundred twelve trillion, three hundred thirty-two billion, two hundred eleven million, two hundred thirty-one thousand, four hundred seventy-three".