320111053331 has 2 divisors, whose sum is σ = 320111053332. Its totient is φ = 320111053330.

The previous prime is 320111053313. The next prime is 320111053349. The reversal of 320111053331 is 133350111023.

Together with previous prime (320111053313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (320111053313) and next prime (320111053349).

It is a cyclic number.

It is not a de Polignac number, because 320111053331 - 2¹⁰ = 320111052307 is a prime.

It is a super-2 number, since 2×320111053331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320111053297 and 320111053306.

It is not a weakly prime, because it can be changed into another prime (320111053351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160055526665 + 160055526666.

It is an arithmetic number, because the mean of its divisors is an integer number (160055526666).

Almost surely, 2^320111053331 is an apocalyptic number.

320111053331 is a deficient number, since it is larger than the sum of its proper divisors (1).

320111053331 is an equidigital number, since it uses as much as digits as its factorization.

320111053331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 320111053331 its reverse (133350111023), we get a palindrome (453461164354).

The spelling of 320111053331 in words is "three hundred twenty billion, one hundred eleven million, fifty-three thousand, three hundred thirty-one".