321321312301 has 4 divisors (see below), whose sum is σ = 350532340704. Its totient is φ = 292110283900.

The previous prime is 321321312293. The next prime is 321321312329. The reversal of 321321312301 is 103213123123.

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, and also an emirpimes, since its reverse is a distinct semiprime: 103213123123 = 11 ⋅9383011193.

It is a cyclic number.

It is not a de Polignac number, because 321321312301 - 2³ = 321321312293 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 (321321312001) 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, 14605514185 + ... + 14605514206.

It is an arithmetic number, because the mean of its divisors is an integer number (87633085176).

Almost surely, 2^321321312301 is an apocalyptic number.

It is an amenable number.

321321312301 is a deficient number, since it is larger than the sum of its proper divisors (29211028403).

321321312301 is a wasteful number, since it uses less digits than its factorization.

321321312301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29211028402.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 321321312301 its reverse (103213123123), we get a palindrome (424534435424).

The spelling of 321321312301 in words is "three hundred twenty-one billion, three hundred twenty-one million, three hundred twelve thousand, three hundred one".