3144212305 has 32 divisors (see below), whose sum is σ = 4407304608. Its totient is φ = 2131968000.

The previous prime is 3144212297. The next prime is 3144212311. The reversal of 3144212305 is 5032124413.

It can be written as a sum of positive squares in 16 ways, for example, as 1333199169 + 1811013136 = 36513^2 + 42556^2 .

It is not a de Polignac number, because 3144212305 - 2³ = 3144212297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3144212305.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10605 + ... + 80005.

It is an arithmetic number, because the mean of its divisors is an integer number (137728269).

Almost surely, 2^3144212305 is an apocalyptic number.

It is an amenable number.

3144212305 is a deficient number, since it is larger than the sum of its proper divisors (1263092303).

3144212305 is a wasteful number, since it uses less digits than its factorization.

3144212305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69477.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3144212305 is about 56073.2762106870. The cubic root of 3144212305 is about 1464.9988631192.

Adding to 3144212305 its reverse (5032124413), we get a palindrome (8176336718).

The spelling of 3144212305 in words is "three billion, one hundred forty-four million, two hundred twelve thousand, three hundred five".