8131336685383 has 4 divisors (see below), whose sum is σ = 8131343556160. Its totient is φ = 8131329814608.

The previous prime is 8131336685323. The next prime is 8131336685387. The reversal of 8131336685383 is 3835866331318.

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 8131336685383 - 2²⁹ = 8130799814471 is a prime.

It is a super-2 number, since 2×8131336685383² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8131336685387) 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, 1156110 + ... + 4195147.

It is an arithmetic number, because the mean of its divisors is an integer number (2032835889040).

Almost surely, 2^{8131336685383} is an apocalyptic number.

8131336685383 is a deficient number, since it is larger than the sum of its proper divisors (6870777).

8131336685383 is a wasteful number, since it uses less digits than its factorization.

8131336685383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870776.

The product of its digits is 22394880, while the sum is 58.

The spelling of 8131336685383 in words is "eight trillion, one hundred thirty-one billion, three hundred thirty-six million, six hundred eighty-five thousand, three hundred eighty-three".