3143325221 has 2 divisors, whose sum is σ = 3143325222. Its totient is φ = 3143325220.

The previous prime is 3143325209. The next prime is 3143325223. The reversal of 3143325221 is 1225233413.

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., 3116430625 + 26894596 = 55825^2 + 5186^2 .

It is an emirp because it is prime and its reverse (1225233413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3143325221 - 2²⁶ = 3076216357 is a prime.

Together with 3143325223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3143325223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571662610 + 1571662611.

It is an arithmetic number, because the mean of its divisors is an integer number (1571662611).

Almost surely, 2^3143325221 is an apocalyptic number.

It is an amenable number.

3143325221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143325221 is an equidigital number, since it uses as much as digits as its factorization.

3143325221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 3143325221 is about 56065.3656101519. The cubic root of 3143325221 is about 1464.8610756373.

Adding to 3143325221 its reverse (1225233413), we get a palindrome (4368558634).

The spelling of 3143325221 in words is "three billion, one hundred forty-three million, three hundred twenty-five thousand, two hundred twenty-one".