3220331031231 has 8 divisors (see below), whose sum is σ = 4297131847680. Its totient is φ = 2145208784472.

The previous prime is 3220331031217. The next prime is 3220331031287. The reversal of 3220331031231 is 1321301330223.

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

It is not a de Polignac number, because 3220331031231 - 2¹⁵ = 3220330998463 is a prime.

It is a super-2 number, since 2×3220331031231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220331031031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419637945 + ... + 419645618.

It is an arithmetic number, because the mean of its divisors is an integer number (537141480960).

Almost surely, 2^{3220331031231} is an apocalyptic number.

3220331031231 is a deficient number, since it is larger than the sum of its proper divisors (1076800816449).

3220331031231 is a wasteful number, since it uses less digits than its factorization.

3220331031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839284845.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 3220331031231 its reverse (1321301330223), we get a palindrome (4541632361454).

The spelling of 3220331031231 in words is "three trillion, two hundred twenty billion, three hundred thirty-one million, thirty-one thousand, two hundred thirty-one".