313635073 has 2 divisors, whose sum is σ = 313635074. Its totient is φ = 313635072.

The previous prime is 313635037. The next prime is 313635121. The reversal of 313635073 is 370536313.

Together with previous prime (313635037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309337744 + 4297329 = 17588^2 + 2073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313635073 is a prime.

It is not a weakly prime, because it can be changed into another prime (313635173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156817536 + 156817537.

It is an arithmetic number, because the mean of its divisors is an integer number (156817537).

Almost surely, 2^313635073 is an apocalyptic number.

It is an amenable number.

313635073 is a deficient number, since it is larger than the sum of its proper divisors (1).

313635073 is an equidigital number, since it uses as much as digits as its factorization.

313635073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 31.

The square root of 313635073 is about 17709.7451421527. The cubic root of 313635073 is about 679.4250279561.

The spelling of 313635073 in words is "three hundred thirteen million, six hundred thirty-five thousand, seventy-three".