131743047 has 16 divisors (see below), whose sum is σ = 189146880. Its totient is φ = 81259392.

The previous prime is 131743043. The next prime is 131743049. The reversal of 131743047 is 740347131.

It is not a de Polignac number, because 131743047 - 2² = 131743043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131743043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18883 + ... + 24900.

It is an arithmetic number, because the mean of its divisors is an integer number (11821680).

Almost surely, 2^131743047 is an apocalyptic number.

131743047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

131743047 is a deficient number, since it is larger than the sum of its proper divisors (57403833).

131743047 is a wasteful number, since it uses less digits than its factorization.

131743047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43862.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 131743047 is about 11477.9374018157. The cubic root of 131743047 is about 508.8337402779.

The spelling of 131743047 in words is "one hundred thirty-one million, seven hundred forty-three thousand, forty-seven".