167131 has 4 divisors (see below), whose sum is σ = 168952. Its totient is φ = 165312.

The previous prime is 167119. The next prime is 167149. The reversal of 167131 is 131761.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 167131 - 2⁵ = 167099 is a prime.

It is a super-2 number, since 2×167131² = 55865542322, which contains 22 as substring.

It is a Duffinian number.

167131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 167099 and 167108.

It is not an unprimeable number, because it can be changed into a prime (167191) 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, 765 + ... + 958.

It is an arithmetic number, because the mean of its divisors is an integer number (42238).

2¹⁶⁷¹³¹ is an apocalyptic number.

167131 is a deficient number, since it is larger than the sum of its proper divisors (1821).

167131 is an equidigital number, since it uses as much as digits as its factorization.

167131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820.

The product of its digits is 126, while the sum is 19.

The square root of 167131 is about 408.8165847908. The cubic root of 167131 is about 55.0831799235.

Adding to 167131 its reverse (131761), we get a palindrome (298892).

The spelling of 167131 in words is "one hundred sixty-seven thousand, one hundred thirty-one".