340312242 has 16 divisors (see below), whose sum is σ = 695106432. Its totient is φ = 111023760.

The previous prime is 340312241. The next prime is 340312243. The reversal of 340312242 is 242213043.

It is an interprime number because it is at equal distance from previous prime (340312241) and next prime (340312243).

It is not an unprimeable number, because it can be changed into a prime (340312241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603109 + ... + 603672.

It is an arithmetic number, because the mean of its divisors is an integer number (43444152).

Almost surely, 2^340312242 is an apocalyptic number.

340312242 is an abundant number, since it is smaller than the sum of its proper divisors (354794190).

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

340312242 is a wasteful number, since it uses less digits than its factorization.

340312242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206833.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 340312242 is about 18447.5538215775. The cubic root of 340312242 is about 698.1667964809.

Adding to 340312242 its reverse (242213043), we get a palindrome (582525285).

The spelling of 340312242 in words is "three hundred forty million, three hundred twelve thousand, two hundred forty-two".