131006 has 8 divisors (see below), whose sum is σ = 202944. Its totient is φ = 63360.

The previous prime is 130987. The next prime is 131009. The reversal of 131006 is 600131.

131006 = T₇₆ + T₇₇ + ... + T₁₀₆.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995 + ... + 1118.

It is an arithmetic number, because the mean of its divisors is an integer number (25368).

2¹³¹⁰⁰⁶ is an apocalyptic number.

131006 is a deficient number, since it is larger than the sum of its proper divisors (71938).

131006 is a wasteful number, since it uses less digits than its factorization.

131006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 131006 is about 361.9475100066. The cubic root of 131006 is about 50.7883061516.

Adding to 131006 its reverse (600131), we get a palindrome (731137).

The spelling of 131006 in words is "one hundred thirty-one thousand, six".