320421340130 has 16 divisors (see below), whose sum is σ = 580578007104. Its totient is φ = 127319737200.

The previous prime is 320421340079. The next prime is 320421340219. The reversal of 320421340130 is 31043124023.

It is a junction number, because it is equal to n+sod(n) for n = 320421340096 and 320421340105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106098272 + ... + 106101291.

It is an arithmetic number, because the mean of its divisors is an integer number (36286125444).

Almost surely, 2^320421340130 is an apocalyptic number.

320421340130 is a deficient number, since it is larger than the sum of its proper divisors (260156666974).

320421340130 is a wasteful number, since it uses less digits than its factorization.

320421340130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212199721.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 320421340130 its reverse (31043124023), we get a palindrome (351464464153).

The spelling of 320421340130 in words is "three hundred twenty billion, four hundred twenty-one million, three hundred forty thousand, one hundred thirty".