312322120310311 has 2 divisors, whose sum is σ = 312322120310312. Its totient is φ = 312322120310310.

The previous prime is 312322120310293. The next prime is 312322120310339. The reversal of 312322120310311 is 113013021223213.

It is a weak prime.

It is an emirp because it is prime and its reverse (113013021223213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312322120310311 - 2⁷ = 312322120310183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312322120310341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156161060155155 + 156161060155156.

It is an arithmetic number, because the mean of its divisors is an integer number (156161060155156).

Almost surely, 2^{312322120310311} is an apocalyptic number.

312322120310311 is a deficient number, since it is larger than the sum of its proper divisors (1).

312322120310311 is an equidigital number, since it uses as much as digits as its factorization.

312322120310311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 312322120310311 its reverse (113013021223213), we get a palindrome (425335141533524).

The spelling of 312322120310311 in words is "three hundred twelve trillion, three hundred twenty-two billion, one hundred twenty million, three hundred ten thousand, three hundred eleven".