340312042 has 16 divisors (see below), whose sum is σ = 603509760. Its totient is φ = 140818608.

The previous prime is 340312033. The next prime is 340312073. The reversal of 340312042 is 240213043.

340312042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418698 + ... + 419509.

It is an arithmetic number, because the mean of its divisors is an integer number (37719360).

Almost surely, 2^340312042 is an apocalyptic number.

340312042 is a deficient number, since it is larger than the sum of its proper divisors (263197718).

340312042 is a wasteful number, since it uses less digits than its factorization.

340312042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838245.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 340312042 is about 18447.5484008038. The cubic root of 340312042 is about 698.1666597110.

Adding to 340312042 its reverse (240213043), we get a palindrome (580525085).

The spelling of 340312042 in words is "three hundred forty million, three hundred twelve thousand, forty-two".