320220412231 has 16 divisors (see below), whose sum is σ = 327045519648. Its totient is φ = 313478464000.

The previous prime is 320220412219. The next prime is 320220412261. The reversal of 320220412231 is 132214022023.

It is a cyclic number.

It is not a de Polignac number, because 320220412231 - 2¹³ = 320220404039 is a prime.

It is a super-2 number, since 2×320220412231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320220412261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5602011 + ... + 5658883.

It is an arithmetic number, because the mean of its divisors is an integer number (20440344978).

Almost surely, 2^320220412231 is an apocalyptic number.

320220412231 is a deficient number, since it is larger than the sum of its proper divisors (6825107417).

320220412231 is a wasteful number, since it uses less digits than its factorization.

320220412231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57602.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 320220412231 its reverse (132214022023), we get a palindrome (452434434254).

The spelling of 320220412231 in words is "three hundred twenty billion, two hundred twenty million, four hundred twelve thousand, two hundred thirty-one".