320203320233011 has 4 divisors (see below), whose sum is σ = 324589667085592. Its totient is φ = 315816973380432.

The previous prime is 320203320233003. The next prime is 320203320233087. The reversal of 320203320233011 is 110332023302023.

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 320203320233011 - 2³ = 320203320233003 is a prime.

It is a super-2 number, since 2×320203320233011² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320203320233411) 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, 2193173426181 + ... + 2193173426326.

It is an arithmetic number, because the mean of its divisors is an integer number (81147416771398).

Almost surely, 2^{320203320233011} is an apocalyptic number.

320203320233011 is a deficient number, since it is larger than the sum of its proper divisors (4386346852581).

320203320233011 is an equidigital number, since it uses as much as digits as its factorization.

320203320233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386346852580.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 320203320233011 its reverse (110332023302023), we get a palindrome (430535343535034).

The spelling of 320203320233011 in words is "three hundred twenty trillion, two hundred three billion, three hundred twenty million, two hundred thirty-three thousand, eleven".