8131884881318 has 32 divisors (see below), whose sum is σ = 14007441075840. Its totient is φ = 3501676949760.

The previous prime is 8131884881311. The next prime is 8131884881321.

8131884881318 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8131884881318² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8131884881311) 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, 17156246 + ... + 17623862.

It is an arithmetic number, because the mean of its divisors is an integer number (437732533620).

Almost surely, 2^{8131884881318} is an apocalyptic number.

8131884881318 is a deficient number, since it is larger than the sum of its proper divisors (5875556194522).

8131884881318 is a wasteful number, since it uses less digits than its factorization.

8131884881318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509252.

The product of its digits is 9437184, while the sum is 62.

The spelling of 8131884881318 in words is "eight trillion, one hundred thirty-one billion, eight hundred eighty-four million, eight hundred eighty-one thousand, three hundred eighteen".