3121441343 has 16 divisors (see below), whose sum is σ = 3296837376. Its totient is φ = 2949513600.

The previous prime is 3121441333. The next prime is 3121441357. The reversal of 3121441343 is 3431441213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3121441343 - 2¹⁸ = 3121179199 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 (3121441333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985280 + ... + 988442.

It is an arithmetic number, because the mean of its divisors is an integer number (206052336).

Almost surely, 2^3121441343 is an apocalyptic number.

3121441343 is a deficient number, since it is larger than the sum of its proper divisors (175396033).

3121441343 is a wasteful number, since it uses less digits than its factorization.

3121441343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694.

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

The square root of 3121441343 is about 55869.8607748400. The cubic root of 3121441343 is about 1461.4536942506.

Adding to 3121441343 its reverse (3431441213), we get a palindrome (6552882556).

The spelling of 3121441343 in words is "three billion, one hundred twenty-one million, four hundred forty-one thousand, three hundred forty-three".