321224421320413 has 16 divisors (see below), whose sum is σ = 352513983709440. Its totient is φ = 290876538199104.

The previous prime is 321224421320381. The next prime is 321224421320417. The reversal of 321224421320413 is 314023124422123.

It is not a de Polignac number, because 321224421320413 - 2⁵ = 321224421320381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321224421320417) 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, 30418581 + ... + 39594682.

It is an arithmetic number, because the mean of its divisors is an integer number (22032123981840).

Almost surely, 2^{321224421320413} is an apocalyptic number.

It is an amenable number.

321224421320413 is a deficient number, since it is larger than the sum of its proper divisors (31289562389027).

321224421320413 is a wasteful number, since it uses less digits than its factorization.

321224421320413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70019988.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 321224421320413 its reverse (314023124422123), we get a palindrome (635247545742536).

The spelling of 321224421320413 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, four hundred twenty-one million, three hundred twenty thousand, four hundred thirteen".