3144313421 has 4 divisors (see below), whose sum is σ = 3329273052. Its totient is φ = 2959353792.

The previous prime is 3144313379. The next prime is 3144313423. The reversal of 3144313421 is 1243134413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1243134413 = 19 ⋅65428127.

It can be written as a sum of positive squares in 2 ways, for example, as 2866424521 + 277888900 = 53539^2 + 16670^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144313421 - 2²² = 3140119117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144313423) 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, 92479790 + ... + 92479823.

It is an arithmetic number, because the mean of its divisors is an integer number (832318263).

Almost surely, 2^3144313421 is an apocalyptic number.

It is an amenable number.

3144313421 is a deficient number, since it is larger than the sum of its proper divisors (184959631).

3144313421 is a wasteful number, since it uses less digits than its factorization.

3144313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184959630.

The product of its digits is 3456, while the sum is 26.

The square root of 3144313421 is about 56074.1778450652. The cubic root of 3144313421 is about 1465.0145674486.

Adding to 3144313421 its reverse (1243134413), we get a palindrome (4387447834).

The spelling of 3144313421 in words is "three billion, one hundred forty-four million, three hundred thirteen thousand, four hundred twenty-one".