3143124354221 has 4 divisors (see below), whose sum is σ = 3155354410332. Its totient is φ = 3130894298112.

The previous prime is 3143124354203. The next prime is 3143124354277. The reversal of 3143124354221 is 1224534213413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2714302380196 + 428821974025 = 1647514^2 + 654845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3143124354221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143124350221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6115027670 + ... + 6115028183.

It is an arithmetic number, because the mean of its divisors is an integer number (788838602583).

Almost surely, 2^{3143124354221} is an apocalyptic number.

It is an amenable number.

3143124354221 is a deficient number, since it is larger than the sum of its proper divisors (12230056111).

3143124354221 is a wasteful number, since it uses less digits than its factorization.

3143124354221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12230056110.

The product of its digits is 69120, while the sum is 35.

Adding to 3143124354221 its reverse (1224534213413), we get a palindrome (4367658567634).

The spelling of 3143124354221 in words is "three trillion, one hundred forty-three billion, one hundred twenty-four million, three hundred fifty-four thousand, two hundred twenty-one".