131170 has 16 divisors (see below), whose sum is σ = 254520. Its totient is φ = 48384.

The previous prime is 131149. The next prime is 131171. The reversal of 131170 is 71131.

It can be written as a sum of positive squares in 4 ways, for example, as 69169 + 62001 = 263^2 + 249^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 131170.

It is not an unprimeable number, because it can be changed into a prime (131171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375 + ... + 634.

2¹³¹¹⁷⁰ is an apocalyptic number.

131170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131170 is a deficient number, since it is larger than the sum of its proper divisors (123350).

131170 is a wasteful number, since it uses less digits than its factorization.

131170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029.

The product of its (nonzero) digits is 21, while the sum is 13.

The square root of 131170 is about 362.1739913357. The cubic root of 131170 is about 50.8094904459.

The spelling of 131170 in words is "one hundred thirty-one thousand, one hundred seventy".