675131311 has 4 divisors (see below), whose sum is σ = 675190624. Its totient is φ = 675072000.

The previous prime is 675131293. The next prime is 675131323. The reversal of 675131311 is 113131576.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 675131311 - 2¹¹ = 675129263 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 675131311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675131371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6615 + ... + 37336.

It is an arithmetic number, because the mean of its divisors is an integer number (168797656).

Almost surely, 2^675131311 is an apocalyptic number.

675131311 is a deficient number, since it is larger than the sum of its proper divisors (59313).

675131311 is a wasteful number, since it uses less digits than its factorization.

675131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59312.

The product of its digits is 1890, while the sum is 28.

The square root of 675131311 is about 25983.2890720170. The cubic root of 675131311 is about 877.2622001006.

Adding to 675131311 its reverse (113131576), we get a palindrome (788262887).

The spelling of 675131311 in words is "six hundred seventy-five million, one hundred thirty-one thousand, three hundred eleven".