312853391 has 2 divisors, whose sum is σ = 312853392. Its totient is φ = 312853390.

The previous prime is 312853379. The next prime is 312853417. The reversal of 312853391 is 193358213.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (193358213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312853391 - 2⁶ = 312853327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312853301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156426695 + 156426696.

It is an arithmetic number, because the mean of its divisors is an integer number (156426696).

Almost surely, 2^312853391 is an apocalyptic number.

312853391 is a deficient number, since it is larger than the sum of its proper divisors (1).

312853391 is an equidigital number, since it uses as much as digits as its factorization.

312853391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 312853391 is about 17687.6621123313. The cubic root of 312853391 is about 678.8601079869.

The spelling of 312853391 in words is "three hundred twelve million, eight hundred fifty-three thousand, three hundred ninety-one".