3220331231 has 8 divisors (see below), whose sum is σ = 3485479200. Its totient is φ = 2957673312.

The previous prime is 3220331209. The next prime is 3220331237. The reversal of 3220331231 is 1321330223.

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

It is a cyclic number.

It is not a de Polignac number, because 3220331231 - 2¹⁰ = 3220330207 is a prime.

It is a super-2 number, since 2×3220331231² = 20741066474707950722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220331237) 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 7 ways as a sum of consecutive naturals, for example, 619820 + ... + 624993.

It is an arithmetic number, because the mean of its divisors is an integer number (435684900).

Almost surely, 2^3220331231 is an apocalyptic number.

3220331231 is a deficient number, since it is larger than the sum of its proper divisors (265147969).

3220331231 is a wasteful number, since it uses less digits than its factorization.

3220331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245025.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3220331231 is about 56747.9623510836. The cubic root of 3220331231 is about 1476.7268838356.

Adding to 3220331231 its reverse (1321330223), we get a palindrome (4541661454).

The spelling of 3220331231 in words is "three billion, two hundred twenty million, three hundred thirty-one thousand, two hundred thirty-one".