3143224121 has 4 divisors (see below), whose sum is σ = 3146608500. Its totient is φ = 3139839744.

The previous prime is 3143224103. The next prime is 3143224187. The reversal of 3143224121 is 1214223413.

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 1508234896 + 1634989225 = 38836^2 + 40435^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143224121 - 2⁶ = 3143224057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3143224921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690796 + ... + 1692653.

It is an arithmetic number, because the mean of its divisors is an integer number (786652125).

Almost surely, 2^3143224121 is an apocalyptic number.

It is an amenable number.

3143224121 is a deficient number, since it is larger than the sum of its proper divisors (3384379).

3143224121 is an equidigital number, since it uses as much as digits as its factorization.

3143224121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384378.

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

The square root of 3143224121 is about 56064.4639767473. The cubic root of 3143224121 is about 1464.8453705022.

Adding to 3143224121 its reverse (1214223413), we get a palindrome (4357447534).

The spelling of 3143224121 in words is "three billion, one hundred forty-three million, two hundred twenty-four thousand, one hundred twenty-one".