321002241321340 has 48 divisors (see below), whose sum is σ = 685949528920320. Its totient is φ = 126149618119680.

The previous prime is 321002241321313. The next prime is 321002241321347. The reversal of 321002241321340 is 43123142200123.

It is a junction number, because it is equal to n+sod(n) for n = 321002241321299 and 321002241321308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321002241321347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151390125 + ... + 153495844.

It is an arithmetic number, because the mean of its divisors is an integer number (14290615185840).

Almost surely, 2^{321002241321340} is an apocalyptic number.

It is an amenable number.

321002241321340 is an abundant number, since it is smaller than the sum of its proper divisors (364947287598980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321002241321340 is a wasteful number, since it uses less digits than its factorization.

321002241321340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304886902 (or 304886900 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 321002241321340 its reverse (43123142200123), we get a palindrome (364125383521463).

The spelling of 321002241321340 in words is "three hundred twenty-one trillion, two billion, two hundred forty-one million, three hundred twenty-one thousand, three hundred forty".