3213111332321 has 16 divisors (see below), whose sum is σ = 3591733320000. Its totient is φ = 2848950297600.

The previous prime is 3213111332311. The next prime is 3213111332329. The reversal of 3213111332321 is 1232331113123.

It is not a de Polignac number, because 3213111332321 - 2¹⁸ = 3213111070177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213111332329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559985 + ... + 2596113.

It is an arithmetic number, because the mean of its divisors is an integer number (224483332500).

Almost surely, 2^{3213111332321} is an apocalyptic number.

It is an amenable number.

3213111332321 is a deficient number, since it is larger than the sum of its proper divisors (378621987679).

3213111332321 is a wasteful number, since it uses less digits than its factorization.

3213111332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039680.

The product of its digits is 1944, while the sum is 26.

Adding to 3213111332321 its reverse (1232331113123), we get a palindrome (4445442445444).

The spelling of 3213111332321 in words is "three trillion, two hundred thirteen billion, one hundred eleven million, three hundred thirty-two thousand, three hundred twenty-one".