3217321379 has 4 divisors (see below), whose sum is σ = 3218826240. Its totient is φ = 3215816520.

The previous prime is 3217321369. The next prime is 3217321399. The reversal of 3217321379 is 9731237123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9731237123 = 97187 ⋅100129.

It is a cyclic number.

It is not a de Polignac number, because 3217321379 - 2⁴ = 3217321363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3217321369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749219 + ... + 753500.

It is an arithmetic number, because the mean of its divisors is an integer number (804706560).

Almost surely, 2^3217321379 is an apocalyptic number.

3217321379 is a deficient number, since it is larger than the sum of its proper divisors (1504861).

3217321379 is a wasteful number, since it uses less digits than its factorization.

3217321379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504860.

The product of its digits is 47628, while the sum is 38.

The square root of 3217321379 is about 56721.4366796188. The cubic root of 3217321379 is about 1476.2666708424.

The spelling of 3217321379 in words is "three billion, two hundred seventeen million, three hundred twenty-one thousand, three hundred seventy-nine".