313660273 has 2 divisors, whose sum is σ = 313660274. Its totient is φ = 313660272.

The previous prime is 313660271. The next prime is 313660279. The reversal of 313660273 is 372066313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298356529 + 15303744 = 17273^2 + 3912^2 .

It is a cyclic number.

It is not a de Polignac number, because 313660273 - 2¹ = 313660271 is a prime.

Together with 313660271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (313660271) 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, 156830136 + 156830137.

It is an arithmetic number, because the mean of its divisors is an integer number (156830137).

Almost surely, 2^313660273 is an apocalyptic number.

It is an amenable number.

313660273 is a deficient number, since it is larger than the sum of its proper divisors (1).

313660273 is an equidigital number, since it uses as much as digits as its factorization.

313660273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 313660273 is about 17710.4566005510. The cubic root of 313660273 is about 679.4432243183.

The spelling of 313660273 in words is "three hundred thirteen million, six hundred sixty thousand, two hundred seventy-three".