320331112120131 has 128 divisors (see below), whose sum is σ = 536782020526080. Its totient is φ = 165678505394688.

The previous prime is 320331112120111. The next prime is 320331112120189. The reversal of 320331112120131 is 131021211133023.

It is not a de Polignac number, because 320331112120131 - 2¹⁷ = 320331111989059 is a prime.

It is a super-2 number, since 2×320331112120131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320331112120111) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 50075205825 + ... + 50075212221.

It is an arithmetic number, because the mean of its divisors is an integer number (4193609535360).

Almost surely, 2^{320331112120131} is an apocalyptic number.

320331112120131 is a deficient number, since it is larger than the sum of its proper divisors (216450908405949).

320331112120131 is a wasteful number, since it uses less digits than its factorization.

320331112120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11985.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 320331112120131 its reverse (131021211133023), we get a palindrome (451352323253154).

The spelling of 320331112120131 in words is "three hundred twenty trillion, three hundred thirty-one billion, one hundred twelve million, one hundred twenty thousand, one hundred thirty-one".