3097231 has 4 divisors (see below), whose sum is σ = 3100912. Its totient is φ = 3093552.

The previous prime is 3097223. The next prime is 3097261. The reversal of 3097231 is 1327903.

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 3097231 - 2³ = 3097223 is a prime.

It is a super-2 number, since 2×3097231² = 19185679734722, which contains 22 as substring.

It is a Duffinian number.

3097231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3097196 and 3097205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3097261) 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, 115 + ... + 2491.

It is an arithmetic number, because the mean of its divisors is an integer number (775228).

Almost surely, 2^3097231 is an apocalyptic number.

3097231 is a deficient number, since it is larger than the sum of its proper divisors (3681).

3097231 is a wasteful number, since it uses less digits than its factorization.

3097231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 3097231 is about 1759.8951673324. The cubic root of 3097231 is about 145.7665469064.

The spelling of 3097231 in words is "three million, ninety-seven thousand, two hundred thirty-one".