332421142321 has 2 divisors, whose sum is σ = 332421142322. Its totient is φ = 332421142320.

The previous prime is 332421142307. The next prime is 332421142327. The reversal of 332421142321 is 123241124233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321671599921 + 10749542400 = 567161^2 + 103680^2 .

It is an emirp because it is prime and its reverse (123241124233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332421142321 - 2³³ = 323831207729 is a prime.

It is a super-2 number, since 2×332421142321² (a number of 24 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 332421142321.

It is not a weakly prime, because it can be changed into another prime (332421142327) 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, 166210571160 + 166210571161.

It is an arithmetic number, because the mean of its divisors is an integer number (166210571161).

Almost surely, 2^332421142321 is an apocalyptic number.

It is an amenable number.

332421142321 is a deficient number, since it is larger than the sum of its proper divisors (1).

332421142321 is an equidigital number, since it uses as much as digits as its factorization.

332421142321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 28.

Adding to 332421142321 its reverse (123241124233), we get a palindrome (455662266554).

The spelling of 332421142321 in words is "three hundred thirty-two billion, four hundred twenty-one million, one hundred forty-two thousand, three hundred twenty-one".