131167247 has 2 divisors, whose sum is σ = 131167248. Its totient is φ = 131167246.

The previous prime is 131167217. The next prime is 131167259. The reversal of 131167247 is 742761131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131167247 - 2¹⁰ = 131166223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131167217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65583623 + 65583624.

It is an arithmetic number, because the mean of its divisors is an integer number (65583624).

Almost surely, 2^131167247 is an apocalyptic number.

131167247 is a deficient number, since it is larger than the sum of its proper divisors (1).

131167247 is an equidigital number, since it uses as much as digits as its factorization.

131167247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 32.

The square root of 131167247 is about 11452.8270309125. The cubic root of 131167247 is about 508.0913497967.

The spelling of 131167247 in words is "one hundred thirty-one million, one hundred sixty-seven thousand, two hundred forty-seven".