3144230021 has 4 divisors (see below), whose sum is σ = 3144540000. Its totient is φ = 3143920044.

The previous prime is 3144230009. The next prime is 3144230027. The reversal of 3144230021 is 1200324413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1200324413 = 29 ⋅41390497.

It is a cyclic number.

It is not a de Polignac number, because 3144230021 - 2¹⁴ = 3144213637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3144229975 and 3144230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144230027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139241 + ... + 160238.

It is an arithmetic number, because the mean of its divisors is an integer number (786135000).

Almost surely, 2^3144230021 is an apocalyptic number.

It is an amenable number.

3144230021 is a deficient number, since it is larger than the sum of its proper divisors (309979).

3144230021 is a wasteful number, since it uses less digits than its factorization.

3144230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309978.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3144230021 is about 56073.4341823292. The cubic root of 3144230021 is about 1465.0016146161.

Adding to 3144230021 its reverse (1200324413), we get a palindrome (4344554434).

The spelling of 3144230021 in words is "three billion, one hundred forty-four million, two hundred thirty thousand, twenty-one".