321312321421301 has 4 divisors (see below), whose sum is σ = 367214081624352. Its totient is φ = 275410561218252.

The previous prime is 321312321421297. The next prime is 321312321421339. The reversal of 321312321421301 is 103124123213123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321312321421301 - 2² = 321312321421297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321312321421501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22950880101515 + ... + 22950880101528.

It is an arithmetic number, because the mean of its divisors is an integer number (91803520406088).

Almost surely, 2^{321312321421301} is an apocalyptic number.

It is an amenable number.

321312321421301 is a deficient number, since it is larger than the sum of its proper divisors (45901760203051).

321312321421301 is an equidigital number, since it uses as much as digits as its factorization.

321312321421301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45901760203050.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 321312321421301 its reverse (103124123213123), we get a palindrome (424436444634424).

The spelling of 321312321421301 in words is "three hundred twenty-one trillion, three hundred twelve billion, three hundred twenty-one million, four hundred twenty-one thousand, three hundred one".