6731311612 has 48 divisors (see below), whose sum is σ = 12408681600. Its totient is φ = 3191590400.

The previous prime is 6731311607. The next prime is 6731311649. The reversal of 6731311612 is 2161131376.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1145562 + ... + 1151422.

It is an arithmetic number, because the mean of its divisors is an integer number (258514200).

Almost surely, 2^6731311612 is an apocalyptic number.

It is an amenable number.

6731311612 is a deficient number, since it is larger than the sum of its proper divisors (5677369988).

6731311612 is a wasteful number, since it uses less digits than its factorization.

6731311612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6102 (or 6100 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 6731311612 is about 82044.5708868052. The cubic root of 6731311612 is about 1888.1358224698.

Adding to 6731311612 its reverse (2161131376), we get a palindrome (8892442988).

The spelling of 6731311612 in words is "six billion, seven hundred thirty-one million, three hundred eleven thousand, six hundred twelve".