3442143321 has 18 divisors (see below), whose sum is σ = 4985081790. Its totient is φ = 2288732160.

The previous prime is 3442143307. The next prime is 3442143343. The reversal of 3442143321 is 1233412443.

3442143321 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 91470096 + 3350673225 = 9564^2 + 57885^2 .

It is not a de Polignac number, because 3442143321 - 2¹⁹ = 3441619033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3442143521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2442265 + ... + 2443673.

Almost surely, 2^3442143321 is an apocalyptic number.

It is an amenable number.

3442143321 is a deficient number, since it is larger than the sum of its proper divisors (1542938469).

3442143321 is an equidigital number, since it uses as much as digits as its factorization.

3442143321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457 (or 1933 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 3442143321 is about 58669.7820091399. The cubic root of 3442143321 is about 1509.8819142193.

Adding to 3442143321 its reverse (1233412443), we get a palindrome (4675555764).

The spelling of 3442143321 in words is "three billion, four hundred forty-two million, one hundred forty-three thousand, three hundred twenty-one".