13208786131 has 2 divisors, whose sum is σ = 13208786132. Its totient is φ = 13208786130.

The previous prime is 13208786099. The next prime is 13208786147. The reversal of 13208786131 is 13168780231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13208786131 - 2⁵ = 13208786099 is a prime.

It is a super-2 number, since 2×13208786131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13208786231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6604393065 + 6604393066.

It is an arithmetic number, because the mean of its divisors is an integer number (6604393066).

Almost surely, 2^13208786131 is an apocalyptic number.

13208786131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13208786131 is an equidigital number, since it uses as much as digits as its factorization.

13208786131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 13208786131 in words is "thirteen billion, two hundred eight million, seven hundred eighty-six thousand, one hundred thirty-one".