321345140201 has 4 divisors (see below), whose sum is σ = 321356882304. Its totient is φ = 321333398100.

The previous prime is 321345140197. The next prime is 321345140203. The reversal of 321345140201 is 102041543123.

It is a happy number.

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: 102041543123 = 13 ⋅7849349471.

It is a cyclic number.

It is not a de Polignac number, because 321345140201 - 2² = 321345140197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321345140203) 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, 5829905 + ... + 5884766.

It is an arithmetic number, because the mean of its divisors is an integer number (80339220576).

Almost surely, 2^321345140201 is an apocalyptic number.

It is an amenable number.

321345140201 is a deficient number, since it is larger than the sum of its proper divisors (11742103).

321345140201 is a wasteful number, since it uses less digits than its factorization.

321345140201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11742102.

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

Adding to 321345140201 its reverse (102041543123), we get a palindrome (423386683324).

The spelling of 321345140201 in words is "three hundred twenty-one billion, three hundred forty-five million, one hundred forty thousand, two hundred one".