3112231 has 4 divisors (see below), whose sum is σ = 3115792. Its totient is φ = 3108672.

The previous prime is 3112147. The next prime is 3112237. The reversal of 3112231 is 1322113.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1322113 = 13 ⋅101701.

It is a cyclic number.

It is not a de Polignac number, because 3112231 - 2⁷ = 3112103 is a prime.

It is a super-2 number, since 2×3112231² = 19371963594722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112237) 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, 535 + ... + 2551.

It is an arithmetic number, because the mean of its divisors is an integer number (778948).

Almost surely, 2^3112231 is an apocalyptic number.

3112231 is a deficient number, since it is larger than the sum of its proper divisors (3561).

3112231 is a wasteful number, since it uses less digits than its factorization.

3112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560.

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

The square root of 3112231 is about 1764.1516374734. The cubic root of 3112231 is about 146.0014855669.

Adding to 3112231 its reverse (1322113), we get a palindrome (4434344).

The spelling of 3112231 in words is "three million, one hundred twelve thousand, two hundred thirty-one".