3321220131 has 16 divisors (see below), whose sum is σ = 4921488000. Its totient is φ = 2213623944.

The previous prime is 3321220109. The next prime is 3321220141. The reversal of 3321220131 is 1310221233.

It is not a de Polignac number, because 3321220131 - 2⁷ = 3321220003 is a prime.

It is a super-2 number, since 2×3321220131² = 22061006317119314322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3321220141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127020 + ... + 150918.

It is an arithmetic number, because the mean of its divisors is an integer number (307593000).

Almost surely, 2^3321220131 is an apocalyptic number.

3321220131 is a deficient number, since it is larger than the sum of its proper divisors (1600267869).

3321220131 is a wasteful number, since it uses less digits than its factorization.

3321220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29055 (or 29049 counting only the distinct ones).

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

The square root of 3321220131 is about 57630.0280322680. The cubic root of 3321220131 is about 1491.9899138187.

Adding to 3321220131 its reverse (1310221233), we get a palindrome (4631441364).

The spelling of 3321220131 in words is "three billion, three hundred twenty-one million, two hundred twenty thousand, one hundred thirty-one".