312844093 has 2 divisors, whose sum is σ = 312844094. Its totient is φ = 312844092.

The previous prime is 312844073. The next prime is 312844097. The reversal of 312844093 is 390448213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312653124 + 190969 = 17682^2 + 437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312844093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312844097) 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, 156422046 + 156422047.

It is an arithmetic number, because the mean of its divisors is an integer number (156422047).

Almost surely, 2^312844093 is an apocalyptic number.

It is an amenable number.

312844093 is a deficient number, since it is larger than the sum of its proper divisors (1).

312844093 is an equidigital number, since it uses as much as digits as its factorization.

312844093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 312844093 is about 17687.3992717980. The cubic root of 312844093 is about 678.8533826814.

The spelling of 312844093 in words is "three hundred twelve million, eight hundred forty-four thousand, ninety-three".