321430112241340 has 48 divisors (see below), whose sum is σ = 675304293837600. Its totient is φ = 128514703479552.

The previous prime is 321430112241313. The next prime is 321430112241347. The reversal of 321430112241340 is 43142211034123.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321430112241347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2392611891 + ... + 2392746229.

It is an arithmetic number, because the mean of its divisors is an integer number (14068839454950).

Almost surely, 2^{321430112241340} is an apocalyptic number.

It is an amenable number.

321430112241340 is an abundant number, since it is smaller than the sum of its proper divisors (353874181596260).

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

321430112241340 is a wasteful number, since it uses less digits than its factorization.

321430112241340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186814 (or 186812 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 321430112241340 its reverse (43142211034123), we get a palindrome (364572323275463).

The spelling of 321430112241340 in words is "three hundred twenty-one trillion, four hundred thirty billion, one hundred twelve million, two hundred forty-one thousand, three hundred forty".