131743071 has 16 divisors (see below), whose sum is σ = 195360000. Its totient is φ = 87745464.

The previous prime is 131743067. The next prime is 131743141. The reversal of 131743071 is 170347131.

It is not a de Polignac number, because 131743071 - 2² = 131743067 is a prime.

It is a super-2 number, since 2×131743071² = 34712473513022082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131743571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42430 + ... + 45428.

It is an arithmetic number, because the mean of its divisors is an integer number (12210000).

Almost surely, 2^131743071 is an apocalyptic number.

131743071 is a deficient number, since it is larger than the sum of its proper divisors (63616929).

131743071 is a wasteful number, since it uses less digits than its factorization.

131743071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635 (or 4629 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 131743071 is about 11477.9384472997. The cubic root of 131743071 is about 508.8337711764.

The spelling of 131743071 in words is "one hundred thirty-one million, seven hundred forty-three thousand, seventy-one".