3443143220311 has 4 divisors (see below), whose sum is σ = 3446029343232. Its totient is φ = 3440257097392.

The previous prime is 3443143220221. The next prime is 3443143220317. The reversal of 3443143220311 is 1130223413443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3443143220311 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 (3443143220317) 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, 1443059671 + ... + 1443062056.

It is an arithmetic number, because the mean of its divisors is an integer number (861507335808).

Almost surely, 2^{3443143220311} is an apocalyptic number.

3443143220311 is a deficient number, since it is larger than the sum of its proper divisors (2886122921).

3443143220311 is a wasteful number, since it uses less digits than its factorization.

3443143220311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886122920.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 3443143220311 its reverse (1130223413443), we get a palindrome (4573366633754).

The spelling of 3443143220311 in words is "three trillion, four hundred forty-three billion, one hundred forty-three million, two hundred twenty thousand, three hundred eleven".