131743131 has 16 divisors (see below), whose sum is σ = 199127040. Its totient is φ = 76805280.

The previous prime is 131743067. The next prime is 131743141. The reversal of 131743131 is 131347131.

It is not a de Polignac number, because 131743131 - 2⁶ = 131743067 is a prime.

It is a super-2 number, since 2×131743131² = 34712505131366322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131743141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88155 + ... + 89636.

It is an arithmetic number, because the mean of its divisors is an integer number (12445440).

Almost surely, 2^131743131 is an apocalyptic number.

131743131 is a deficient number, since it is larger than the sum of its proper divisors (67383909).

131743131 is a wasteful number, since it uses less digits than its factorization.

131743131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177826.

The product of its digits is 756, while the sum is 24.

The square root of 131743131 is about 11477.9410610092. The cubic root of 131743131 is about 508.8338484228.

The spelling of 131743131 in words is "one hundred thirty-one million, seven hundred forty-three thousand, one hundred thirty-one".