3120220331 has 2 divisors, whose sum is σ = 3120220332. Its totient is φ = 3120220330.

The previous prime is 3120220321. The next prime is 3120220343. The reversal of 3120220331 is 1330220213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3120220331 - 2⁶ = 3120220267 is a prime.

It is a super-2 number, since 2×3120220331² = 19471549827971499122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3120220321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560110165 + 1560110166.

It is an arithmetic number, because the mean of its divisors is an integer number (1560110166).

Almost surely, 2^3120220331 is an apocalyptic number.

3120220331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120220331 is an equidigital number, since it uses as much as digits as its factorization.

3120220331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3120220331 is about 55858.9324190858. The cubic root of 3120220331 is about 1461.2631107961.

Adding to 3120220331 its reverse (1330220213), we get a palindrome (4450440544).

The spelling of 3120220331 in words is "three billion, one hundred twenty million, two hundred twenty thousand, three hundred thirty-one".