320330310211011 has 4 divisors (see below), whose sum is σ = 427107080281352. Its totient is φ = 213553540140672.

The previous prime is 320330310210983. The next prime is 320330310211019. The reversal of 320330310211011 is 110112013033023.

It is a happy number.

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

It is not a de Polignac number, because 320330310211011 - 2¹⁸ = 320330309948867 is a prime.

It is a super-2 number, since 2×320330310211011² (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 (320330310211019) 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, 53388385035166 + ... + 53388385035171.

It is an arithmetic number, because the mean of its divisors is an integer number (106776770070338).

Almost surely, 2^{320330310211011} is an apocalyptic number.

320330310211011 is a deficient number, since it is larger than the sum of its proper divisors (106776770070341).

320330310211011 is a wasteful number, since it uses less digits than its factorization.

320330310211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106776770070340.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 320330310211011 its reverse (110112013033023), we get a palindrome (430442323244034).

The spelling of 320330310211011 in words is "three hundred twenty trillion, three hundred thirty billion, three hundred ten million, two hundred eleven thousand, eleven".