3021442321 has 2 divisors, whose sum is σ = 3021442322. Its totient is φ = 3021442320.

The previous prime is 3021442313. The next prime is 3021442337. The reversal of 3021442321 is 1232441203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3017964096 + 3478225 = 54936^2 + 1865^2 .

It is a cyclic number.

It is not a de Polignac number, because 3021442321 - 2³ = 3021442313 is a prime.

It is a super-2 number, since 2×3021442321² = 18258227398259734082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3021442292 and 3021442301.

It is not a weakly prime, because it can be changed into another prime (3021442381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510721160 + 1510721161.

It is an arithmetic number, because the mean of its divisors is an integer number (1510721161).

Almost surely, 2^3021442321 is an apocalyptic number.

It is an amenable number.

3021442321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3021442321 is an equidigital number, since it uses as much as digits as its factorization.

3021442321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3021442321 is about 54967.6479485888. The cubic root of 3021442321 is about 1445.6775470633.

Adding to 3021442321 its reverse (1232441203), we get a palindrome (4253883524).

The spelling of 3021442321 in words is "three billion, twenty-one million, four hundred forty-two thousand, three hundred twenty-one".