343555301400242 has 16 divisors (see below), whose sum is σ = 515450338714752. Its totient is φ = 171738522624240.

The previous prime is 343555301400193. The next prime is 343555301400253. The reversal of 343555301400242 is 242004103555343.

It is a super-2 number, since 2×343555301400242² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 343555301400242.

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, 1473920567 + ... + 1474153637.

It is an arithmetic number, because the mean of its divisors is an integer number (32215646169672).

Almost surely, 2^{343555301400242} is an apocalyptic number.

343555301400242 is a deficient number, since it is larger than the sum of its proper divisors (171895037314510).

343555301400242 is a wasteful number, since it uses less digits than its factorization.

343555301400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397793.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 343555301400242 its reverse (242004103555343), we get a palindrome (585559404955585).

The spelling of 343555301400242 in words is "three hundred forty-three trillion, five hundred fifty-five billion, three hundred one million, four hundred thousand, two hundred forty-two".