340331242 has 8 divisors (see below), whose sum is σ = 522948132. Its totient is φ = 166015200.

The previous prime is 340331239. The next prime is 340331263. The reversal of 340331242 is 242133043.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 339333241 + 998001 = 18421^2 + 999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075109 + ... + 2075272.

Almost surely, 2^340331242 is an apocalyptic number.

340331242 is a deficient number, since it is larger than the sum of its proper divisors (182616890).

340331242 is a wasteful number, since it uses less digits than its factorization.

340331242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150424.

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

The square root of 340331242 is about 18448.0687878162. The cubic root of 340331242 is about 698.1797893745.

Adding to 340331242 its reverse (242133043), we get a palindrome (582464285).

The spelling of 340331242 in words is "three hundred forty million, three hundred thirty-one thousand, two hundred forty-two".