3311144221 has 16 divisors (see below), whose sum is σ = 4189800960. Its totient is φ = 2541599280.

The previous prime is 3311144209. The next prime is 3311144227. The reversal of 3311144221 is 1224411133.

It is not a de Polignac number, because 3311144221 - 2¹³ = 3311136029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3311144192 and 3311144201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311144227) 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, 315751 + ... + 326068.

It is an arithmetic number, because the mean of its divisors is an integer number (261862560).

Almost surely, 2^3311144221 is an apocalyptic number.

It is an amenable number.

3311144221 is a deficient number, since it is larger than the sum of its proper divisors (878656739).

3311144221 is a wasteful number, since it uses less digits than its factorization.

3311144221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641904.

The product of its digits is 576, while the sum is 22.

The square root of 3311144221 is about 57542.5427053758. The cubic root of 3311144221 is about 1490.4795869215.

Adding to 3311144221 its reverse (1224411133), we get a palindrome (4535555354).

The spelling of 3311144221 in words is "three billion, three hundred eleven million, one hundred forty-four thousand, two hundred twenty-one".