162031 has 4 divisors (see below), whose sum is σ = 162864. Its totient is φ = 161200.

The previous prime is 162017. The next prime is 162053. The reversal of 162031 is 130261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 162031 - 2⁵ = 161999 is a prime.

It is a super-2 number, since 2×162031² = 52508089922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 13 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162011) 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, 51 + ... + 571.

It is an arithmetic number, because the mean of its divisors is an integer number (40716).

2¹⁶²⁰³¹ is an apocalyptic number.

162031 is a deficient number, since it is larger than the sum of its proper divisors (833).

162031 is an equidigital number, since it uses as much as digits as its factorization.

162031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 162031 is about 402.5307441674. The cubic root of 162031 is about 54.5170947693.

Adding to 162031 its reverse (130261), we get a palindrome (292292).

The spelling of 162031 in words is "one hundred sixty-two thousand, thirty-one".