131646131 has 2 divisors, whose sum is σ = 131646132. Its totient is φ = 131646130.

The previous prime is 131646101. The next prime is 131646133.

131646131 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 131646131 - 2¹⁴ = 131629747 is a prime.

It is a super-2 number, since 2×131646131² = 34661407614538322, which contains 22 as substring.

Together with 131646133, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131646131.

It is not a weakly prime, because it can be changed into another prime (131646133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65823065 + 65823066.

It is an arithmetic number, because the mean of its divisors is an integer number (65823066).

Almost surely, 2^131646131 is an apocalyptic number.

131646131 is a deficient number, since it is larger than the sum of its proper divisors (1).

131646131 is an equidigital number, since it uses as much as digits as its factorization.

131646131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 131646131 is about 11473.7147864151. The cubic root of 131646131 is about 508.7089361500.

The spelling of 131646131 in words is "one hundred thirty-one million, six hundred forty-six thousand, one hundred thirty-one".