342402121303 has 8 divisors (see below), whose sum is σ = 375175094400. Its totient is φ = 309903399480.

The previous prime is 342402121297. The next prime is 342402121337. The reversal of 342402121303 is 303121204243.

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

It is a cyclic number.

It is not a de Polignac number, because 342402121303 - 2²¹ = 342400024151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342402122303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68560203 + ... + 68565196.

It is an arithmetic number, because the mean of its divisors is an integer number (46896886800).

Almost surely, 2^342402121303 is an apocalyptic number.

342402121303 is a deficient number, since it is larger than the sum of its proper divisors (32772973097).

342402121303 is a wasteful number, since it uses less digits than its factorization.

342402121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137125637.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 342402121303 its reverse (303121204243), we get a palindrome (645523325546).

The spelling of 342402121303 in words is "three hundred forty-two billion, four hundred two million, one hundred twenty-one thousand, three hundred three".