340311303 has 12 divisors (see below), whose sum is σ = 494110240. Its totient is φ = 225697536.

The previous prime is 340311269. The next prime is 340311341. The reversal of 340311303 is 303113043.

It is not a de Polignac number, because 340311303 - 2⁹ = 340310791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340311343) 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 11 ways as a sum of consecutive naturals, for example, 96223 + ... + 99696.

Almost surely, 2^340311303 is an apocalyptic number.

340311303 is a deficient number, since it is larger than the sum of its proper divisors (153798937).

340311303 is a wasteful number, since it uses less digits than its factorization.

340311303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196118 (or 196115 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 340311303 is about 18447.5283710312. The cubic root of 340311303 is about 698.1661543459.

Adding to 340311303 its reverse (303113043), we get a palindrome (643424346).

It can be divided in two parts, 3403 and 11303, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 340311303 in words is "three hundred forty million, three hundred eleven thousand, three hundred three".