340348313 has 4 divisors (see below), whose sum is σ = 360368820. Its totient is φ = 320327808.

The previous prime is 340348301. The next prime is 340348331. The reversal of 340348313 is 313843043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313843043 = 3067 ⋅102329.

It can be written as a sum of positive squares in 2 ways, for example, as 189255049 + 151093264 = 13757^2 + 12292^2 .

It is a cyclic number.

It is not a de Polignac number, because 340348313 - 2¹⁰ = 340347289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340348363) 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 in 3 ways as a sum of consecutive naturals, for example, 10010228 + ... + 10010261.

It is an arithmetic number, because the mean of its divisors is an integer number (90092205).

Almost surely, 2^340348313 is an apocalyptic number.

It is an amenable number.

340348313 is a deficient number, since it is larger than the sum of its proper divisors (20020507).

340348313 is a wasteful number, since it uses less digits than its factorization.

340348313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020506.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 340348313 is about 18448.5314591704. The cubic root of 340348313 is about 698.1914627351.

The spelling of 340348313 in words is "three hundred forty million, three hundred forty-eight thousand, three hundred thirteen".