313263287 has 2 divisors, whose sum is σ = 313263288. Its totient is φ = 313263286.

The previous prime is 313263283. The next prime is 313263323. The reversal of 313263287 is 782362313.

It is a weak prime.

It is an emirp because it is prime and its reverse (782362313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313263287 - 2² = 313263283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313263281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156631643 + 156631644.

It is an arithmetic number, because the mean of its divisors is an integer number (156631644).

Almost surely, 2^313263287 is an apocalyptic number.

313263287 is a deficient number, since it is larger than the sum of its proper divisors (1).

313263287 is an equidigital number, since it uses as much as digits as its factorization.

313263287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 313263287 is about 17699.2453793940. The cubic root of 313263287 is about 679.1564561745.

The spelling of 313263287 in words is "three hundred thirteen million, two hundred sixty-three thousand, two hundred eighty-seven".