321130530053530 has 32 divisors (see below), whose sum is σ = 611873407728000. Its totient is φ = 121138573641792.

The previous prime is 321130530053507. The next prime is 321130530053549. The reversal of 321130530053530 is 35350035031123.

It is a super-2 number, since 2×321130530053530² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12876111430 + ... + 12876136369.

It is an arithmetic number, because the mean of its divisors is an integer number (19121043991500).

Almost surely, 2^{321130530053530} is an apocalyptic number.

321130530053530 is a deficient number, since it is larger than the sum of its proper divisors (290742877674470).

321130530053530 is a wasteful number, since it uses less digits than its factorization.

321130530053530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25752247878.

The product of its (nonzero) digits is 60750, while the sum is 34.

Adding to 321130530053530 its reverse (35350035031123), we get a palindrome (356480565084653).

The spelling of 321130530053530 in words is "three hundred twenty-one trillion, one hundred thirty billion, five hundred thirty million, fifty-three thousand, five hundred thirty".