320111123332331 has 4 divisors (see below), whose sum is σ = 320114446255032. Its totient is φ = 320107800409632.

The previous prime is 320111123332303. The next prime is 320111123332367. The reversal of 320111123332331 is 133233321111023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320111123332331 - 2¹⁴ = 320111123315947 is a prime.

It is a super-2 number, since 2×320111123332331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320111123332294 and 320111123332303.

It is not an unprimeable number, because it can be changed into a prime (320111123392331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661316845 + ... + 1661509518.

It is an arithmetic number, because the mean of its divisors is an integer number (80028611563758).

Almost surely, 2^{320111123332331} is an apocalyptic number.

320111123332331 is a deficient number, since it is larger than the sum of its proper divisors (3322922701).

320111123332331 is an equidigital number, since it uses as much as digits as its factorization.

320111123332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322922700.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 320111123332331 its reverse (133233321111023), we get a palindrome (453344444443354).

The spelling of 320111123332331 in words is "three hundred twenty trillion, one hundred eleven billion, one hundred twenty-three million, three hundred thirty-two thousand, three hundred thirty-one".