312323313331 has 2 divisors, whose sum is σ = 312323313332. Its totient is φ = 312323313330.

The previous prime is 312323313317. The next prime is 312323313371. The reversal of 312323313331 is 133313323213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312323313331 - 2¹⁹ = 312322789043 is a prime.

It is a super-2 number, since 2×312323313331² (a number of 24 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 312323313331.

It is not a weakly prime, because it can be changed into another prime (312323313311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156161656665 + 156161656666.

It is an arithmetic number, because the mean of its divisors is an integer number (156161656666).

Almost surely, 2^312323313331 is an apocalyptic number.

312323313331 is a deficient number, since it is larger than the sum of its proper divisors (1).

312323313331 is an equidigital number, since it uses as much as digits as its factorization.

312323313331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 28.

Adding to 312323313331 its reverse (133313323213), we get a palindrome (445636636544).

The spelling of 312323313331 in words is "three hundred twelve billion, three hundred twenty-three million, three hundred thirteen thousand, three hundred thirty-one".