2686512131 has 2 divisors, whose sum is σ = 2686512132. Its totient is φ = 2686512130.

The previous prime is 2686512113. The next prime is 2686512137. The reversal of 2686512131 is 1312156862.

Together with previous prime (2686512113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2686512131 - 2³⁰ = 1612770307 is a prime.

It is a super-2 number, since 2×2686512131² = 14434694860020322322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2686512091 and 2686512100.

It is not a weakly prime, because it can be changed into another prime (2686512137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343256065 + 1343256066.

It is an arithmetic number, because the mean of its divisors is an integer number (1343256066).

Almost surely, 2^2686512131 is an apocalyptic number.

2686512131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2686512131 is an equidigital number, since it uses as much as digits as its factorization.

2686512131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 2686512131 is about 51831.5746529082. The cubic root of 2686512131 is about 1390.1540693221.

Adding to 2686512131 its reverse (1312156862), we get a palindrome (3998668993).

The spelling of 2686512131 in words is "two billion, six hundred eighty-six million, five hundred twelve thousand, one hundred thirty-one".