321220100240030 has 8 divisors (see below), whose sum is σ = 578196180432072. Its totient is φ = 128488040096008.

The previous prime is 321220100239939. The next prime is 321220100240063. The reversal of 321220100240030 is 30042001022123.

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

It is a super-2 number, since 2×321220100240030² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321220100239984 and 321220100240011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16061005011992 + ... + 16061005012011.

It is an arithmetic number, because the mean of its divisors is an integer number (72274522554009).

Almost surely, 2^{321220100240030} is an apocalyptic number.

321220100240030 is a deficient number, since it is larger than the sum of its proper divisors (256976080192042).

321220100240030 is a wasteful number, since it uses less digits than its factorization.

321220100240030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32122010024010.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 321220100240030 its reverse (30042001022123), we get a palindrome (351262101262153).

The spelling of 321220100240030 in words is "three hundred twenty-one trillion, two hundred twenty billion, one hundred million, two hundred forty thousand, thirty".