3321131213 has 4 divisors (see below), whose sum is σ = 3322304700. Its totient is φ = 3319957728.

The previous prime is 3321131197. The next prime is 3321131311. The reversal of 3321131213 is 3121311233.

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

It can be written as a sum of positive squares in 2 ways, for example, as 977312644 + 2343818569 = 31262^2 + 48413^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321131213 - 2⁴ = 3321131197 is a prime.

It is a super-2 number, since 2×3321131213² = 22059825067925702738, 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 (3321151213) 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, 582488 + ... + 588161.

It is an arithmetic number, because the mean of its divisors is an integer number (830576175).

Almost surely, 2^3321131213 is an apocalyptic number.

It is an amenable number.

3321131213 is a deficient number, since it is larger than the sum of its proper divisors (1173487).

3321131213 is a wasteful number, since it uses less digits than its factorization.

3321131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173486.

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

The square root of 3321131213 is about 57629.2565716408. The cubic root of 3321131213 is about 1491.9765988383.

Adding to 3321131213 its reverse (3121311233), we get a palindrome (6442442446).

The spelling of 3321131213 in words is "three billion, three hundred twenty-one million, one hundred thirty-one thousand, two hundred thirteen".