340342312 has 64 divisors (see below), whose sum is σ = 703261440. Its totient is φ = 153753600.

The previous prime is 340342259. The next prime is 340342313. The reversal of 340342312 is 213243043.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (340342313) 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 in 15 ways as a sum of consecutive naturals, for example, 373137 + ... + 374047.

It is an arithmetic number, because the mean of its divisors is an integer number (10988460).

Almost surely, 2^340342312 is an apocalyptic number.

It is an amenable number.

340342312 is an abundant number, since it is smaller than the sum of its proper divisors (362919128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340342312 is a wasteful number, since it uses less digits than its factorization.

340342312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 340342312 is about 18448.3688167816. The cubic root of 340342312 is about 698.1873592217.

Adding to 340342312 its reverse (213243043), we get a palindrome (553585355).

The spelling of 340342312 in words is "three hundred forty million, three hundred forty-two thousand, three hundred twelve".