3321123131 has 4 divisors (see below), whose sum is σ = 3321502632. Its totient is φ = 3320743632.

The previous prime is 3321123119. The next prime is 3321123163. The reversal of 3321123131 is 1313211233.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3321123131 - 2¹⁰ = 3321122107 is a prime.

It is a super-2 number, since 2×3321123131² = 22059717702526486322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3321123191) 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 3 ways as a sum of consecutive naturals, for example, 176306 + ... + 194231.

It is an arithmetic number, because the mean of its divisors is an integer number (830375658).

Almost surely, 2^3321123131 is an apocalyptic number.

3321123131 is a deficient number, since it is larger than the sum of its proper divisors (379501).

3321123131 is an equidigital number, since it uses as much as digits as its factorization.

3321123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379500.

The product of its digits is 324, while the sum is 20.

The square root of 3321123131 is about 57629.1864509642. The cubic root of 3321123131 is about 1491.9753885915.

Adding to 3321123131 its reverse (1313211233), we get a palindrome (4634334364).

The spelling of 3321123131 in words is "three billion, three hundred twenty-one million, one hundred twenty-three thousand, one hundred thirty-one".