3331321321 has 4 divisors (see below), whose sum is σ = 3446194500. Its totient is φ = 3216448144.

The previous prime is 3331321313. The next prime is 3331321369. The reversal of 3331321321 is 1231231333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1231231333 = 21149 ⋅58217.

It can be written as a sum of positive squares in 2 ways, for example, as 2704520025 + 626801296 = 52005^2 + 25036^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331321321 - 2³ = 3331321313 is a prime.

It is a super-2 number, since 2×3331321321² = 22195403487498370082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3331321292 and 3331321301.

It is not an unprimeable number, because it can be changed into a prime (3331321391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57436546 + ... + 57436603.

It is an arithmetic number, because the mean of its divisors is an integer number (861548625).

Almost surely, 2^3331321321 is an apocalyptic number.

It is an amenable number.

3331321321 is a deficient number, since it is larger than the sum of its proper divisors (114873179).

3331321321 is a wasteful number, since it uses less digits than its factorization.

3331321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114873178.

The product of its digits is 972, while the sum is 22.

The square root of 3331321321 is about 57717.5997508559. The cubic root of 3331321321 is about 1493.5009669728.

Adding to 3331321321 its reverse (1231231333), we get a palindrome (4562552654).

The spelling of 3331321321 in words is "three billion, three hundred thirty-one million, three hundred twenty-one thousand, three hundred twenty-one".