3221125331 has 4 divisors (see below), whose sum is σ = 3222843312. Its totient is φ = 3219407352.

The previous prime is 3221125301. The next prime is 3221125351. The reversal of 3221125331 is 1335211223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1335211223 = 607 ⋅2199689.

It is a cyclic number.

It is not a de Polignac number, because 3221125331 - 2⁶ = 3221125267 is a prime.

It is a super-2 number, since 2×3221125331² = 20751296796019719122, 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 = 3221125297 and 3221125306.

It is not an unprimeable number, because it can be changed into a prime (3221125301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856175 + ... + 859928.

It is an arithmetic number, because the mean of its divisors is an integer number (805710828).

Almost surely, 2^3221125331 is an apocalyptic number.

3221125331 is a deficient number, since it is larger than the sum of its proper divisors (1717981).

3221125331 is a wasteful number, since it uses less digits than its factorization.

3221125331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717980.

The product of its digits is 1080, while the sum is 23.

The square root of 3221125331 is about 56754.9586468002. The cubic root of 3221125331 is about 1476.8482556613.

Adding to 3221125331 its reverse (1335211223), we get a palindrome (4556336554).

The spelling of 3221125331 in words is "three billion, two hundred twenty-one million, one hundred twenty-five thousand, three hundred thirty-one".