321220331111230 has 8 divisors (see below), whose sum is σ = 578196596000232. Its totient is φ = 128488132444488.

The previous prime is 321220331111219. The next prime is 321220331111263. The reversal of 321220331111230 is 32111133022123.

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

It is a super-2 number, since 2×321220331111230² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321220331111195 and 321220331111204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16061016555552 + ... + 16061016555571.

It is an arithmetic number, because the mean of its divisors is an integer number (72274574500029).

Almost surely, 2^{321220331111230} is an apocalyptic number.

321220331111230 is a deficient number, since it is larger than the sum of its proper divisors (256976264889002).

321220331111230 is a wasteful number, since it uses less digits than its factorization.

321220331111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32122033111130.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 321220331111230 its reverse (32111133022123), we get a palindrome (353331464133353).

The spelling of 321220331111230 in words is "three hundred twenty-one trillion, two hundred twenty billion, three hundred thirty-one million, one hundred eleven thousand, two hundred thirty".