320213104025 has 6 divisors (see below), whose sum is σ = 397064249022. Its totient is φ = 256170483200.

The previous prime is 320213104007. The next prime is 320213104051. The reversal of 320213104025 is 520401312023.

It can be written as a sum of positive squares in 3 ways, for example, as 41702540944 + 278510563081 = 204212^2 + 527741^2 .

It is not a de Polignac number, because 320213104025 - 2¹⁶ = 320213038489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6404262056 + ... + 6404262105.

It is an arithmetic number, because the mean of its divisors is an integer number (66177374837).

Almost surely, 2^320213104025 is an apocalyptic number.

It is an amenable number.

320213104025 is a deficient number, since it is larger than the sum of its proper divisors (76851144997).

320213104025 is a wasteful number, since it uses less digits than its factorization.

320213104025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12808524171 (or 12808524166 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 320213104025 its reverse (520401312023), we get a palindrome (840614416048).

The spelling of 320213104025 in words is "three hundred twenty billion, two hundred thirteen million, one hundred four thousand, twenty-five".