321401450321 has 8 divisors (see below), whose sum is σ = 367526937024. Its totient is φ = 275328712080.

The previous prime is 321401450311. The next prime is 321401450341. The reversal of 321401450321 is 123054104123.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 321401450321 - 2¹⁸ = 321401188177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321401450311) 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 7 ways as a sum of consecutive naturals, for example, 13174055 + ... + 13198428.

It is an arithmetic number, because the mean of its divisors is an integer number (45940867128).

Almost surely, 2^321401450321 is an apocalyptic number.

It is an amenable number.

321401450321 is a deficient number, since it is larger than the sum of its proper divisors (46125486703).

321401450321 is a wasteful number, since it uses less digits than its factorization.

321401450321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26374231.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 321401450321 its reverse (123054104123), we get a palindrome (444455554444).

The spelling of 321401450321 in words is "three hundred twenty-one billion, four hundred one million, four hundred fifty thousand, three hundred twenty-one".