342104430121 has 2 divisors, whose sum is σ = 342104430122. Its totient is φ = 342104430120.

The previous prime is 342104430091. The next prime is 342104430127. The reversal of 342104430121 is 121034401243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271315974400 + 70788455721 = 520880^2 + 266061^2 .

It is a cyclic number.

It is not a de Polignac number, because 342104430121 - 2⁷ = 342104429993 is a prime.

It is a super-2 number, since 2×342104430121² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (342104430127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171052215060 + 171052215061.

It is an arithmetic number, because the mean of its divisors is an integer number (171052215061).

Almost surely, 2^342104430121 is an apocalyptic number.

It is an amenable number.

342104430121 is a deficient number, since it is larger than the sum of its proper divisors (1).

342104430121 is an equidigital number, since it uses as much as digits as its factorization.

342104430121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 342104430121 its reverse (121034401243), we get a palindrome (463138831364).

The spelling of 342104430121 in words is "three hundred forty-two billion, one hundred four million, four hundred thirty thousand, one hundred twenty-one".