321424310312242 has 16 divisors (see below), whose sum is σ = 483895523368152. Its totient is φ = 160126059985920.

The previous prime is 321424310312197. The next prime is 321424310312243. The reversal of 321424310312242 is 242213013424123.

It can be written as a sum of positive squares in 4 ways, for example, as 321398160511561 + 26149800681 = 17927581^2 + 161709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321424310312198 and 321424310312207.

It is not an unprimeable number, because it can be changed into a prime (321424310312243) 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, 61866543 + ... + 66860434.

Almost surely, 2^{321424310312242} is an apocalyptic number.

321424310312242 is a deficient number, since it is larger than the sum of its proper divisors (162471213055910).

321424310312242 is a wasteful number, since it uses less digits than its factorization.

321424310312242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128731533.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 321424310312242 its reverse (242213013424123), we get a palindrome (563637323736365).

The spelling of 321424310312242 in words is "three hundred twenty-one trillion, four hundred twenty-four billion, three hundred ten million, three hundred twelve thousand, two hundred forty-two".