320021130212131 has 8 divisors (see below), whose sum is σ = 328674501317520. Its totient is φ = 311367977599968.

The previous prime is 320021130212101. The next prime is 320021130212137. The reversal of 320021130212131 is 131212031120023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320021130212131 - 2¹⁵ = 320021130179363 is a prime.

It is a super-2 number, since 2×320021130212131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320021130212137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51652201 + ... + 57515146.

It is an arithmetic number, because the mean of its divisors is an integer number (41084312664690).

Almost surely, 2^{320021130212131} is an apocalyptic number.

320021130212131 is a deficient number, since it is larger than the sum of its proper divisors (8653371105389).

320021130212131 is a wasteful number, since it uses less digits than its factorization.

320021130212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109246613.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 320021130212131 its reverse (131212031120023), we get a palindrome (451233161332154).

The spelling of 320021130212131 in words is "three hundred twenty trillion, twenty-one billion, one hundred thirty million, two hundred twelve thousand, one hundred thirty-one".