3311230221 has 24 divisors (see below), whose sum is σ = 5152958720. Its totient is φ = 2036827296.

The previous prime is 3311230201. The next prime is 3311230271. The reversal of 3311230221 is 1220321133.

3311230221 is a `hidden beast` number, since 331 + 12 + 302 + 21 = 666.

It is not a de Polignac number, because 3311230221 - 2¹⁷ = 3311099149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3311230194 and 3311230203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311230201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384060 + ... + 392586.

Almost surely, 2^3311230221 is an apocalyptic number.

It is an amenable number.

3311230221 is a deficient number, since it is larger than the sum of its proper divisors (1841728499).

3311230221 is a wasteful number, since it uses less digits than its factorization.

3311230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11865 (or 11862 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3311230221 is about 57543.2899737233. The cubic root of 3311230221 is about 1490.4924908329.

Adding to 3311230221 its reverse (1220321133), we get a palindrome (4531551354).

It can be divided in two parts, 3311230 and 221, that added together give a triangular number (3311451 = T₂₅₇₃).

The spelling of 3311230221 in words is "three billion, three hundred eleven million, two hundred thirty thousand, two hundred twenty-one".