320452211011 has 4 divisors (see below), whose sum is σ = 320453394624. Its totient is φ = 320451027400.

The previous prime is 320452210999. The next prime is 320452211041. The reversal of 320452211011 is 110112254023.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 110112254023 = 5209 ⋅21138847.

It is a cyclic number.

It is not a de Polignac number, because 320452211011 - 2²¹ = 320450113859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320452211041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37041 + ... + 801421.

It is an arithmetic number, because the mean of its divisors is an integer number (80113348656).

Almost surely, 2^320452211011 is an apocalyptic number.

320452211011 is a deficient number, since it is larger than the sum of its proper divisors (1183613).

320452211011 is an equidigital number, since it uses as much as digits as its factorization.

320452211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183612.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 320452211011 its reverse (110112254023), we get a palindrome (430564465034).

The spelling of 320452211011 in words is "three hundred twenty billion, four hundred fifty-two million, two hundred eleven thousand, eleven".