3143226521 has 2 divisors, whose sum is σ = 3143226522. Its totient is φ = 3143226520.

The previous prime is 3143226511. The next prime is 3143226571. The reversal of 3143226521 is 1256223413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2589283225 + 553943296 = 50885^2 + 23536^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143226521 - 2¹⁴ = 3143210137 is a prime.

It is not a weakly prime, because it can be changed into another prime (3143226511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571613260 + 1571613261.

It is an arithmetic number, because the mean of its divisors is an integer number (1571613261).

Almost surely, 2^3143226521 is an apocalyptic number.

It is an amenable number.

3143226521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143226521 is an equidigital number, since it uses as much as digits as its factorization.

3143226521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 3143226521 is about 56064.4853806757. The cubic root of 3143226521 is about 1464.8457433283.

Adding to 3143226521 its reverse (1256223413), we get a palindrome (4399449934).

The spelling of 3143226521 in words is "three billion, one hundred forty-three million, two hundred twenty-six thousand, five hundred twenty-one".