313601287 has 2 divisors, whose sum is σ = 313601288. Its totient is φ = 313601286.

The previous prime is 313601269. The next prime is 313601311. The reversal of 313601287 is 782106313.

It is a weak prime.

It is an emirp because it is prime and its reverse (782106313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313601287 - 2¹¹ = 313599239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313601237) 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, 156800643 + 156800644.

It is an arithmetic number, because the mean of its divisors is an integer number (156800644).

Almost surely, 2^313601287 is an apocalyptic number.

313601287 is a deficient number, since it is larger than the sum of its proper divisors (1).

313601287 is an equidigital number, since it uses as much as digits as its factorization.

313601287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 313601287 is about 17708.7912348641. The cubic root of 313601287 is about 679.4006303038.

The spelling of 313601287 in words is "three hundred thirteen million, six hundred one thousand, two hundred eighty-seven".