312454013 has 2 divisors, whose sum is σ = 312454014. Its totient is φ = 312454012.

The previous prime is 312454007. The next prime is 312454049. The reversal of 312454013 is 310454213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290429764 + 22024249 = 17042^2 + 4693^2 .

It is an emirp because it is prime and its reverse (310454213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312454013 - 2⁶ = 312453949 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 312454013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312454313) 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, 156227006 + 156227007.

It is an arithmetic number, because the mean of its divisors is an integer number (156227007).

Almost surely, 2^312454013 is an apocalyptic number.

It is an amenable number.

312454013 is a deficient number, since it is larger than the sum of its proper divisors (1).

312454013 is an equidigital number, since it uses as much as digits as its factorization.

312454013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 312454013 is about 17676.3687730258. The cubic root of 312454013 is about 678.5711150696.

The spelling of 312454013 in words is "three hundred twelve million, four hundred fifty-four thousand, thirteen".