3142105321 has 2 divisors, whose sum is σ = 3142105322. Its totient is φ = 3142105320.

The previous prime is 3142105289. The next prime is 3142105339. The reversal of 3142105321 is 1235012413.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1821582400 + 1320522921 = 42680^2 + 36339^2 .

It is a cyclic number.

It is not a de Polignac number, because 3142105321 - 2⁵ = 3142105289 is a prime.

It is a super-3 number, since 3×3142105321³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3142105292 and 3142105301.

It is not a weakly prime, because it can be changed into another prime (3142105361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571052660 + 1571052661.

It is an arithmetic number, because the mean of its divisors is an integer number (1571052661).

Almost surely, 2^3142105321 is an apocalyptic number.

It is an amenable number.

3142105321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142105321 is an equidigital number, since it uses as much as digits as its factorization.

3142105321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3142105321 is about 56054.4852888687. The cubic root of 3142105321 is about 1464.6715507317.

Adding to 3142105321 its reverse (1235012413), we get a palindrome (4377117734).

The spelling of 3142105321 in words is "three billion, one hundred forty-two million, one hundred five thousand, three hundred twenty-one".