160831 has 4 divisors (see below), whose sum is σ = 175464. Its totient is φ = 146200.

The previous prime is 160829. The next prime is 160841. The reversal of 160831 is 138061.

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 160831 - 2¹ = 160829 is a prime.

It is a super-2 number, since 2×160831² = 51733221122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 160799 and 160808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7300 + ... + 7321.

It is an arithmetic number, because the mean of its divisors is an integer number (43866).

2¹⁶⁰⁸³¹ is an apocalyptic number.

160831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

160831 is a deficient number, since it is larger than the sum of its proper divisors (14633).

160831 is a wasteful number, since it uses less digits than its factorization.

160831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14632.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 160831 is about 401.0374047393. The cubic root of 160831 is about 54.3821767953.

Adding to 160831 its reverse (138061), we get a palindrome (298892).

The spelling of 160831 in words is "one hundred sixty thousand, eight hundred thirty-one".