321022134431201 has 24 divisors (see below), whose sum is σ = 378357120567360. Its totient is φ = 271553757734112.

The previous prime is 321022134431191. The next prime is 321022134431221. The reversal of 321022134431201 is 102134431220123.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-321022134431201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321022134431221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115025486 + ... + 117783303.

It is an arithmetic number, because the mean of its divisors is an integer number (15764880023640).

Almost surely, 2^{321022134431201} is an apocalyptic number.

It is an amenable number.

321022134431201 is a deficient number, since it is larger than the sum of its proper divisors (57334986136159).

321022134431201 is a wasteful number, since it uses less digits than its factorization.

321022134431201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232809173 (or 232809166 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 321022134431201 its reverse (102134431220123), we get a palindrome (423156565651324).

The spelling of 321022134431201 in words is "three hundred twenty-one trillion, twenty-two billion, one hundred thirty-four million, four hundred thirty-one thousand, two hundred one".