3120231 has 16 divisors (see below), whose sum is σ = 4441824. Its totient is φ = 1941504.

The previous prime is 3120217. The next prime is 3120233. The reversal of 3120231 is 1320213.

It is a happy number.

It is not a de Polignac number, because 3120231 - 2¹¹ = 3118183 is a prime.

It is a super-2 number, since 2×3120231² = 19471682986722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9685 + ... + 10001.

It is an arithmetic number, because the mean of its divisors is an integer number (277614).

Almost surely, 2^3120231 is an apocalyptic number.

3120231 is a deficient number, since it is larger than the sum of its proper divisors (1321593).

3120231 is a wasteful number, since it uses less digits than its factorization.

3120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3120231 is about 1766.4175610540. The cubic root of 3120231 is about 146.1264776298.

Adding to 3120231 its reverse (1320213), we get a palindrome (4440444).

The spelling of 3120231 in words is "three million, one hundred twenty thousand, two hundred thirty-one".