312344377 has 2 divisors, whose sum is σ = 312344378. Its totient is φ = 312344376.

The previous prime is 312344359. The next prime is 312344411. The reversal of 312344377 is 773443213.

It is an a-pointer prime, because the next prime (312344411) can be obtained adding 312344377 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189998656 + 122345721 = 13784^2 + 11061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312344377 is a prime.

It is not a weakly prime, because it can be changed into another prime (312344327) 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, 156172188 + 156172189.

It is an arithmetic number, because the mean of its divisors is an integer number (156172189).

Almost surely, 2^312344377 is an apocalyptic number.

It is an amenable number.

312344377 is a deficient number, since it is larger than the sum of its proper divisors (1).

312344377 is an equidigital number, since it uses as much as digits as its factorization.

312344377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 34.

The square root of 312344377 is about 17673.2672983803. The cubic root of 312344377 is about 678.4917385610.

The spelling of 312344377 in words is "three hundred twelve million, three hundred forty-four thousand, three hundred seventy-seven".