3144412321 has 4 divisors (see below), whose sum is σ = 3144533652. Its totient is φ = 3144290992.

The previous prime is 3144412307. The next prime is 3144412379. The reversal of 3144412321 is 1232144413.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1232144413 = 733 ⋅1680961.

It can be written as a sum of positive squares in 2 ways, for example, as 2358170721 + 786241600 = 48561^2 + 28040^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144412321 - 2²³ = 3136023713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3144412121) 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, 4390 + ... + 79423.

It is an arithmetic number, because the mean of its divisors is an integer number (786133413).

Almost surely, 2^3144412321 is an apocalyptic number.

It is an amenable number.

3144412321 is a deficient number, since it is larger than the sum of its proper divisors (121331).

3144412321 is an equidigital number, since it uses as much as digits as its factorization.

3144412321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121330.

The product of its digits is 2304, while the sum is 25.

The square root of 3144412321 is about 56075.0597057194. The cubic root of 3144412321 is about 1465.0299272853.

Adding to 3144412321 its reverse (1232144413), we get a palindrome (4376556734).

The spelling of 3144412321 in words is "three billion, one hundred forty-four million, four hundred twelve thousand, three hundred twenty-one".