3231165 has 16 divisors (see below), whose sum is σ = 5908608. Its totient is φ = 1477056.

The previous prime is 3231143. The next prime is 3231187. The reversal of 3231165 is 5611323.

It is an interprime number because it is at equal distance from previous prime (3231143) and next prime (3231187).

It is not a de Polignac number, because 3231165 - 2⁶ = 3231101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15282 + ... + 15491.

It is an arithmetic number, because the mean of its divisors is an integer number (369288).

Almost surely, 2^3231165 is an apocalyptic number.

3231165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3231165 is a deficient number, since it is larger than the sum of its proper divisors (2677443).

3231165 is a wasteful number, since it uses less digits than its factorization.

3231165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30788.

The product of its digits is 540, while the sum is 21.

The square root of 3231165 is about 1797.5441580111. The cubic root of 3231165 is about 147.8381021213.

Adding to 3231165 its reverse (5611323), we get a palindrome (8842488).

The spelling of 3231165 in words is "three million, two hundred thirty-one thousand, one hundred sixty-five".