3143345311 has 4 divisors (see below), whose sum is σ = 3194875624. Its totient is φ = 3091815000.

The previous prime is 3143345297. The next prime is 3143345327. The reversal of 3143345311 is 1135433413.

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

It is a cyclic number.

It is not a de Polignac number, because 3143345311 - 2²³ = 3134956703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3143345311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143345111) 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, 25765065 + ... + 25765186.

It is an arithmetic number, because the mean of its divisors is an integer number (798718906).

Almost surely, 2^3143345311 is an apocalyptic number.

3143345311 is a deficient number, since it is larger than the sum of its proper divisors (51530313).

3143345311 is an equidigital number, since it uses as much as digits as its factorization.

3143345311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51530312.

The product of its digits is 6480, while the sum is 28.

The square root of 3143345311 is about 56065.5447757355. The cubic root of 3143345311 is about 1464.8641964297.

Adding to 3143345311 its reverse (1135433413), we get a palindrome (4278778724).

The spelling of 3143345311 in words is "three billion, one hundred forty-three million, three hundred forty-five thousand, three hundred eleven".