3221011331 has 8 divisors (see below), whose sum is σ = 3254866944. Its totient is φ = 3187329480.

The previous prime is 3221011319. The next prime is 3221011429. The reversal of 3221011331 is 1331101223.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221011331 is a prime.

It is a super-3 number, since 3×3221011331³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221011231) 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, 6005 + ... + 80486.

It is an arithmetic number, because the mean of its divisors is an integer number (406858368).

Almost surely, 2^3221011331 is an apocalyptic number.

3221011331 is a deficient number, since it is larger than the sum of its proper divisors (33855613).

3221011331 is a wasteful number, since it uses less digits than its factorization.

3221011331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86881.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3221011331 is about 56753.9543203819. The cubic root of 3221011331 is about 1476.8308329006.

Adding to 3221011331 its reverse (1331101223), we get a palindrome (4552112554).

The spelling of 3221011331 in words is "three billion, two hundred twenty-one million, eleven thousand, three hundred thirty-one".