320311231033 has 2 divisors, whose sum is σ = 320311231034. Its totient is φ = 320311231032.

The previous prime is 320311231013. The next prime is 320311231061. The reversal of 320311231033 is 330132113023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166229074944 + 154082156089 = 407712^2 + 392533^2 .

It is a cyclic number.

It is not a de Polignac number, because 320311231033 - 2⁵ = 320311231001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320311230995 and 320311231013.

It is not a weakly prime, because it can be changed into another prime (320311231013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160155615516 + 160155615517.

It is an arithmetic number, because the mean of its divisors is an integer number (160155615517).

Almost surely, 2^320311231033 is an apocalyptic number.

It is an amenable number.

320311231033 is a deficient number, since it is larger than the sum of its proper divisors (1).

320311231033 is an equidigital number, since it uses as much as digits as its factorization.

320311231033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 320311231033 its reverse (330132113023), we get a palindrome (650443344056).

The spelling of 320311231033 in words is "three hundred twenty billion, three hundred eleven million, two hundred thirty-one thousand, thirty-three".