321441140243213 has 8 divisors (see below), whose sum is σ = 326769864913920. Its totient is φ = 316114325178480.

The previous prime is 321441140243189. The next prime is 321441140243231. The reversal of 321441140243213 is 312342041144123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321441140243213 - 2¹⁸ = 321441139981069 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 (321441140243273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477062045 + ... + 477735362.

It is an arithmetic number, because the mean of its divisors is an integer number (40846233114240).

Almost surely, 2^{321441140243213} is an apocalyptic number.

It is an amenable number.

321441140243213 is a deficient number, since it is larger than the sum of its proper divisors (5328724670707).

321441140243213 is an equidigital number, since it uses as much as digits as its factorization.

321441140243213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954802987.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 321441140243213 its reverse (312342041144123), we get a palindrome (633783181387336).

The spelling of 321441140243213 in words is "three hundred twenty-one trillion, four hundred forty-one billion, one hundred forty million, two hundred forty-three thousand, two hundred thirteen".