3221131032 has 288 divisors, whose sum is σ = 11003850000. Its totient is φ = 845365248.

The previous prime is 3221131031. The next prime is 3221131033. The reversal of 3221131032 is 2301311223.

3221131032 is a `hidden beast` number, since 322 + 1 + 1 + 310 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (3221131031) and next prime (3221131033).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3221130996 and 3221131014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221131031) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2578344 + ... + 2579592.

Almost surely, 2^3221131032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3221131032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5501925000).

3221131032 is an abundant number, since it is smaller than the sum of its proper divisors (7782718968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221131032 is a wasteful number, since it uses less digits than its factorization.

3221131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3221131032 is about 56755.0088714644. The cubic root of 3221131032 is about 1476.8491269414.

Adding to 3221131032 its reverse (2301311223), we get a palindrome (5522442255).

The spelling of 3221131032 in words is "three billion, two hundred twenty-one million, one hundred thirty-one thousand, thirty-two".