320131042231 has 64 divisors (see below), whose sum is σ = 435256528896. Its totient is φ = 227366092800.

The previous prime is 320131042183. The next prime is 320131042261. The reversal of 320131042231 is 132240131023.

It is not a de Polignac number, because 320131042231 - 2⁹ = 320131041719 is a prime.

It is a super-2 number, since 2×320131042231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320131042261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44952351 + ... + 44959471.

It is an arithmetic number, because the mean of its divisors is an integer number (6800883264).

Almost surely, 2^320131042231 is an apocalyptic number.

320131042231 is a deficient number, since it is larger than the sum of its proper divisors (115125486665).

320131042231 is a wasteful number, since it uses less digits than its factorization.

320131042231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 320131042231 its reverse (132240131023), we get a palindrome (452371173254).

The spelling of 320131042231 in words is "three hundred twenty billion, one hundred thirty-one million, forty-two thousand, two hundred thirty-one".