3213213213 has 8 divisors (see below), whose sum is σ = 4896324928. Its totient is φ = 1836121824.

The previous prime is 3213213131. The next prime is 3213213239. The reversal of 3213213213 is 3123123123.

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

It is not a de Polignac number, because 3213213213 - 2⁸ = 3213212957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 153010153 = 3213213213 / (3 + 2 + 1 + 3 + 2 + 1 + 3 + 2 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3213213213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213233213) 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, 76505056 + ... + 76505097.

It is an arithmetic number, because the mean of its divisors is an integer number (612040616).

Almost surely, 2^3213213213 is an apocalyptic number.

It is an amenable number.

3213213213 is a deficient number, since it is larger than the sum of its proper divisors (1683111715).

3213213213 is a wasteful number, since it uses less digits than its factorization.

3213213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153010163.

The product of its digits is 648, while the sum is 21.

The square root of 3213213213 is about 56685.2115899729. The cubic root of 3213213213 is about 1475.6380597504.

Adding to 3213213213 its reverse (3123123123), we get a palindrome (6336336336).

The spelling of 3213213213 in words is "three billion, two hundred thirteen million, two hundred thirteen thousand, two hundred thirteen".