3320021331 has 32 divisors (see below), whose sum is σ = 5430378240. Its totient is φ = 1987876800.

The previous prime is 3320021317. The next prime is 3320021339. The reversal of 3320021331 is 1331200233.

3320021331 is a `hidden beast` number, since 332 + 0 + 0 + 2 + 1 + 331 = 666.

It is not a de Polignac number, because 3320021331 - 2⁶ = 3320021267 is a prime.

It is a super-2 number, since 2×3320021331² = 22045083276590023122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3320021339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42690 + ... + 91991.

It is an arithmetic number, because the mean of its divisors is an integer number (169699320).

Almost surely, 2^3320021331 is an apocalyptic number.

3320021331 is a deficient number, since it is larger than the sum of its proper divisors (2110356909).

3320021331 is a wasteful number, since it uses less digits than its factorization.

3320021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134784 (or 134778 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3320021331 is about 57619.6262657092. The cubic root of 3320021331 is about 1491.8103801252.

Adding to 3320021331 its reverse (1331200233), we get a palindrome (4651221564).

It can be divided in two parts, 332002 and 1331, that added together give a palindrome (333333).

The spelling of 3320021331 in words is "three billion, three hundred twenty million, twenty-one thousand, three hundred thirty-one".