3220133231 has 8 divisors (see below), whose sum is σ = 3758453760. Its totient is φ = 2701388088.

The previous prime is 3220133227. The next prime is 3220133249. The reversal of 3220133231 is 1323310223.

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

It is not a de Polignac number, because 3220133231 - 2² = 3220133227 is a prime.

It is a super-2 number, since 2×3220133231² = 20738516050780998722, 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 (3220139231) 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, 4893491 + ... + 4894148.

It is an arithmetic number, because the mean of its divisors is an integer number (469806720).

Almost surely, 2^3220133231 is an apocalyptic number.

3220133231 is a deficient number, since it is larger than the sum of its proper divisors (538320529).

3220133231 is an equidigital number, since it uses as much as digits as its factorization.

3220133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9787693.

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

The square root of 3220133231 is about 56746.2177682354. The cubic root of 3220133231 is about 1476.6966180136.

Adding to 3220133231 its reverse (1323310223), we get a palindrome (4543443454).

The spelling of 3220133231 in words is "three billion, two hundred twenty million, one hundred thirty-three thousand, two hundred thirty-one".