312322320433 has 2 divisors, whose sum is σ = 312322320434. Its totient is φ = 312322320432.

The previous prime is 312322320293. The next prime is 312322320439. The reversal of 312322320433 is 334023223213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236879810209 + 75442510224 = 486703^2 + 274668^2 .

It is a cyclic number.

It is not a de Polignac number, because 312322320433 - 2³³ = 303732385841 is a prime.

It is not a weakly prime, because it can be changed into another prime (312322320439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156161160216 + 156161160217.

It is an arithmetic number, because the mean of its divisors is an integer number (156161160217).

Almost surely, 2^312322320433 is an apocalyptic number.

It is an amenable number.

312322320433 is a deficient number, since it is larger than the sum of its proper divisors (1).

312322320433 is an equidigital number, since it uses as much as digits as its factorization.

312322320433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 312322320433 its reverse (334023223213), we get a palindrome (646345543646).

The spelling of 312322320433 in words is "three hundred twelve billion, three hundred twenty-two million, three hundred twenty thousand, four hundred thirty-three".