347406313 has 2 divisors, whose sum is σ = 347406314. Its totient is φ = 347406312.

The previous prime is 347406307. The next prime is 347406347. The reversal of 347406313 is 313604743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343991209 + 3415104 = 18547^2 + 1848^2 .

It is an emirp because it is prime and its reverse (313604743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 347406313 - 2⁹ = 347405801 is a prime.

It is a super-2 number, since 2×347406313² = 241382292624507938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (347406113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173703156 + 173703157.

It is an arithmetic number, because the mean of its divisors is an integer number (173703157).

Almost surely, 2^347406313 is an apocalyptic number.

It is an amenable number.

347406313 is a deficient number, since it is larger than the sum of its proper divisors (1).

347406313 is an equidigital number, since it uses as much as digits as its factorization.

347406313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 347406313 is about 18638.8388318586. The cubic root of 347406313 is about 702.9847470128.

The spelling of 347406313 in words is "three hundred forty-seven million, four hundred six thousand, three hundred thirteen".