320331012233 has 2 divisors, whose sum is σ = 320331012234. Its totient is φ = 320331012232.

The previous prime is 320331012203. The next prime is 320331012241. The reversal of 320331012233 is 332210133023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226677875449 + 93653136784 = 476107^2 + 306028^2 .

It is a cyclic number.

It is not a de Polignac number, because 320331012233 - 2⁸ = 320331011977 is a prime.

It is a super-2 number, since 2×320331012233² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320331012199 and 320331012208.

It is not a weakly prime, because it can be changed into another prime (320331012203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160165506116 + 160165506117.

It is an arithmetic number, because the mean of its divisors is an integer number (160165506117).

Almost surely, 2^320331012233 is an apocalyptic number.

It is an amenable number.

320331012233 is a deficient number, since it is larger than the sum of its proper divisors (1).

320331012233 is an equidigital number, since it uses as much as digits as its factorization.

320331012233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 320331012233 its reverse (332210133023), we get a palindrome (652541145256).

The spelling of 320331012233 in words is "three hundred twenty billion, three hundred thirty-one million, twelve thousand, two hundred thirty-three".