162331 has 4 divisors (see below), whose sum is σ = 174832. Its totient is φ = 149832.

The previous prime is 162293. The next prime is 162343. The reversal of 162331 is 133261.

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 162331 - 2¹⁷ = 31259 is a prime.

It is a super-2 number, since 2×162331² = 52702707122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162391) 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, 6231 + ... + 6256.

It is an arithmetic number, because the mean of its divisors is an integer number (43708).

2¹⁶²³³¹ is an apocalyptic number.

162331 is a deficient number, since it is larger than the sum of its proper divisors (12501).

162331 is a wasteful number, since it uses less digits than its factorization.

162331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12500.

The product of its digits is 108, while the sum is 16.

The square root of 162331 is about 402.9032141843. The cubic root of 162331 is about 54.5507201146.

Adding to 162331 its reverse (133261), we get a palindrome (295592).

The spelling of 162331 in words is "one hundred sixty-two thousand, three hundred thirty-one".