3165231 has 4 divisors (see below), whose sum is σ = 4220312. Its totient is φ = 2110152.

The previous prime is 3165223. The next prime is 3165259. The reversal of 3165231 is 1325613.

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

It is not a de Polignac number, because 3165231 - 2³ = 3165223 is a prime.

It is a super-2 number, since 2×3165231² = 20037374566722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

3165231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3165198 and 3165207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3165271) 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, 527536 + ... + 527541.

It is an arithmetic number, because the mean of its divisors is an integer number (1055078).

Almost surely, 2^3165231 is an apocalyptic number.

3165231 is a deficient number, since it is larger than the sum of its proper divisors (1055081).

3165231 is a wasteful number, since it uses less digits than its factorization.

3165231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055080.

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

The square root of 3165231 is about 1779.1096087650. The cubic root of 3165231 is about 146.8256065086.

The spelling of 3165231 in words is "three million, one hundred sixty-five thousand, two hundred thirty-one".