3144430521 has 6 divisors (see below), whose sum is σ = 4541955210. Its totient is φ = 2096287008.

The previous prime is 3144430477. The next prime is 3144430561. The reversal of 3144430521 is 1250344413.

It is a happy number.

3144430521 is a `hidden beast` number, since 314 + 44 + 305 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2960556921 + 183873600 = 54411^2 + 13560^2 .

It is not a de Polignac number, because 3144430521 - 2²⁵ = 3110876089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3144430561) 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 5 ways as a sum of consecutive naturals, for example, 174690576 + ... + 174690593.

It is an arithmetic number, because the mean of its divisors is an integer number (756992535).

Almost surely, 2^3144430521 is an apocalyptic number.

It is an amenable number.

3144430521 is a deficient number, since it is larger than the sum of its proper divisors (1397524689).

3144430521 is a wasteful number, since it uses less digits than its factorization.

3144430521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349381175 (or 349381172 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3144430521 is about 56075.2219879690. The cubic root of 3144430521 is about 1465.0327538329.

Adding to 3144430521 its reverse (1250344413), we get a palindrome (4394774934).

The spelling of 3144430521 in words is "three billion, one hundred forty-four million, four hundred thirty thousand, five hundred twenty-one".