3143124221 has 2 divisors, whose sum is σ = 3143124222. Its totient is φ = 3143124220.

The previous prime is 3143124209. The next prime is 3143124223. The reversal of 3143124221 is 1224213413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2914812121 + 228312100 = 53989^2 + 15110^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143124221 - 2¹⁸ = 3142862077 is a prime.

Together with 3143124223, 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 (3143124223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571562110 + 1571562111.

It is an arithmetic number, because the mean of its divisors is an integer number (1571562111).

Almost surely, 2^3143124221 is an apocalyptic number.

It is an amenable number.

3143124221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143124221 is an equidigital number, since it uses as much as digits as its factorization.

3143124221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 3143124221 is about 56063.5730309798. The cubic root of 3143124221 is about 1464.8298514473.

Adding to 3143124221 its reverse (1224213413), we get a palindrome (4367337634).

The spelling of 3143124221 in words is "three billion, one hundred forty-three million, one hundred twenty-four thousand, two hundred twenty-one".