131601167 has 2 divisors, whose sum is σ = 131601168. Its totient is φ = 131601166.

The previous prime is 131601139. The next prime is 131601179. The reversal of 131601167 is 761106131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131601167 - 2¹⁰ = 131600143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131601187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65800583 + 65800584.

It is an arithmetic number, because the mean of its divisors is an integer number (65800584).

Almost surely, 2^131601167 is an apocalyptic number.

131601167 is a deficient number, since it is larger than the sum of its proper divisors (1).

131601167 is an equidigital number, since it uses as much as digits as its factorization.

131601167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 131601167 is about 11471.7551839289. The cubic root of 131601167 is about 508.6510127025.

Adding to 131601167 its reverse (761106131), we get a palindrome (892707298).

The spelling of 131601167 in words is "one hundred thirty-one million, six hundred one thousand, one hundred sixty-seven".