320222000131 has 24 divisors (see below), whose sum is σ = 372797797680. Its totient is φ = 273903252480.

The previous prime is 320222000129. The next prime is 320222000191. The reversal of 320222000131 is 131000222023.

It is not a de Polignac number, because 320222000131 - 2¹ = 320222000129 is a prime.

It is a super-2 number, since 2×320222000131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320222000191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7274235 + ... + 7318123.

It is an arithmetic number, because the mean of its divisors is an integer number (15533241570).

Almost surely, 2^320222000131 is an apocalyptic number.

320222000131 is a deficient number, since it is larger than the sum of its proper divisors (52575797549).

320222000131 is a wasteful number, since it uses less digits than its factorization.

320222000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47475 (or 47464 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 320222000131 its reverse (131000222023), we get a palindrome (451222222154).

The spelling of 320222000131 in words is "three hundred twenty billion, two hundred twenty-two million, one hundred thirty-one", and thus it is an aban number.