320224120131 has 32 divisors (see below), whose sum is σ = 443327227200. Its totient is φ = 205357824000.

The previous prime is 320224120109. The next prime is 320224120157. The reversal of 320224120131 is 131021422023.

It is not a de Polignac number, because 320224120131 - 2¹⁰ = 320224119107 is a prime.

It is a super-2 number, since 2×320224120131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320224120098 and 320224120107.

It is not an unprimeable number, because it can be changed into a prime (320224120231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30489381 + ... + 30499881.

It is an arithmetic number, because the mean of its divisors is an integer number (13853975850).

Almost surely, 2^320224120131 is an apocalyptic number.

320224120131 is a deficient number, since it is larger than the sum of its proper divisors (123103107069).

320224120131 is a wasteful number, since it uses less digits than its factorization.

320224120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11799.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 320224120131 its reverse (131021422023), we get a palindrome (451245542154).

The spelling of 320224120131 in words is "three hundred twenty billion, two hundred twenty-four million, one hundred twenty thousand, one hundred thirty-one".