3220331131 has 8 divisors (see below), whose sum is σ = 3558013344. Its totient is φ = 2899121280.

The previous prime is 3220331111. The next prime is 3220331143. The reversal of 3220331131 is 1311330223.

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 3220331131 - 2⁵ = 3220331099 is a prime.

It is a super-2 number, since 2×3220331131² = 20741065186575478322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220331099 and 3220331108.

It is not an unprimeable number, because it can be changed into a prime (3220331111) 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, 4117680 + ... + 4118461.

It is an arithmetic number, because the mean of its divisors is an integer number (444751668).

Almost surely, 2^3220331131 is an apocalyptic number.

3220331131 is a deficient number, since it is larger than the sum of its proper divisors (337682213).

3220331131 is a wasteful number, since it uses less digits than its factorization.

3220331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236181.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3220331131 is about 56747.9614699947. The cubic root of 3220331131 is about 1476.7268685502.

Adding to 3220331131 its reverse (1311330223), we get a palindrome (4531661354).

The spelling of 3220331131 in words is "three billion, two hundred twenty million, three hundred thirty-one thousand, one hundred thirty-one".