3221131330 has 8 divisors (see below), whose sum is σ = 5798036412. Its totient is φ = 1288452528.

The previous prime is 3221131307. The next prime is 3221131363. The reversal of 3221131330 is 331311223.

It can be written as a sum of positive squares in 2 ways, for example, as 3196658521 + 24472809 = 56539^2 + 4947^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3221131298 and 3221131307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161056557 + ... + 161056576.

Almost surely, 2^3221131330 is an apocalyptic number.

3221131330 is a deficient number, since it is larger than the sum of its proper divisors (2576905082).

3221131330 is a wasteful number, since it uses less digits than its factorization.

3221131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322113140.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3221131330 is about 56755.0114967833. The cubic root of 3221131330 is about 1476.8491724845.

Adding to 3221131330 its reverse (331311223), we get a palindrome (3552442553).

The spelling of 3221131330 in words is "three billion, two hundred twenty-one million, one hundred thirty-one thousand, three hundred thirty".