3221323131 has 8 divisors (see below), whose sum is σ = 4625489680. Its totient is φ = 1982352672.

The previous prime is 3221323129. The next prime is 3221323139. The reversal of 3221323131 is 1313231223.

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

It is not a de Polignac number, because 3221323131 - 2¹ = 3221323129 is a prime.

It is a super-2 number, since 2×3221323131² = 20753845428631286322, 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 = 3221323098 and 3221323107.

It is not an unprimeable number, because it can be changed into a prime (3221323139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41298976 + ... + 41299053.

It is an arithmetic number, because the mean of its divisors is an integer number (578186210).

Almost surely, 2^3221323131 is an apocalyptic number.

3221323131 is a deficient number, since it is larger than the sum of its proper divisors (1404166549).

3221323131 is a wasteful number, since it uses less digits than its factorization.

3221323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82598045.

The product of its digits is 648, while the sum is 21.

The square root of 3221323131 is about 56756.7011990655. The cubic root of 3221323131 is about 1476.8784847040.

Adding to 3221323131 its reverse (1313231223), we get a palindrome (4534554354).

The spelling of 3221323131 in words is "three billion, two hundred twenty-one million, three hundred twenty-three thousand, one hundred thirty-one".