3221231130321 has 32 divisors (see below), whose sum is σ = 4361371392000. Its totient is φ = 2114443476288.

The previous prime is 3221231130239. The next prime is 3221231130343. The reversal of 3221231130321 is 1230311321223.

It is a de Polignac number, because none of the positive numbers 2^k-3221231130321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221231130291 and 3221231130300.

It is not an unprimeable number, because it can be changed into a prime (3221231130721) 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 31 ways as a sum of consecutive naturals, for example, 382610250 + ... + 382618668.

It is an arithmetic number, because the mean of its divisors is an integer number (136292856000).

Almost surely, 2^{3221231130321} is an apocalyptic number.

It is an amenable number.

3221231130321 is a deficient number, since it is larger than the sum of its proper divisors (1140140261679).

3221231130321 is a wasteful number, since it uses less digits than its factorization.

3221231130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12773.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3221231130321 its reverse (1230311321223), we get a palindrome (4451542451544).

The spelling of 3221231130321 in words is "three trillion, two hundred twenty-one billion, two hundred thirty-one million, one hundred thirty thousand, three hundred twenty-one".