312023033310809 has 2 divisors, whose sum is σ = 312023033310810. Its totient is φ = 312023033310808.

The previous prime is 312023033310757. The next prime is 312023033310847. The reversal of 312023033310809 is 908013330320213.

It is an a-pointer prime, because the next prime (312023033310847) can be obtained adding 312023033310809 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305504953690000 + 6518079620809 = 17478700^2 + 2553053^2 .

It is a cyclic number.

It is not a de Polignac number, because 312023033310809 - 2⁸ = 312023033310553 is a prime.

It is not a weakly prime, because it can be changed into another prime (312023032310809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156011516655404 + 156011516655405.

It is an arithmetic number, because the mean of its divisors is an integer number (156011516655405).

Almost surely, 2^{312023033310809} is an apocalyptic number.

It is an amenable number.

312023033310809 is a deficient number, since it is larger than the sum of its proper divisors (1).

312023033310809 is an equidigital number, since it uses as much as digits as its factorization.

312023033310809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 312023033310809 in words is "three hundred twelve trillion, twenty-three billion, thirty-three million, three hundred ten thousand, eight hundred nine".