320330331011009 has 24 divisors (see below), whose sum is σ = 352689213272256. Its totient is φ = 290721131949600.

The previous prime is 320330331010957. The next prime is 320330331011023. The reversal of 320330331011009 is 900110133033023.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-320330331011009 is a prime.

It is a super-2 number, since 2×320330331011009² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (320330331011309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365192852 + ... + 366068954.

It is an arithmetic number, because the mean of its divisors is an integer number (14695383886344).

Almost surely, 2^{320330331011009} is an apocalyptic number.

It is an amenable number.

320330331011009 is a deficient number, since it is larger than the sum of its proper divisors (32358882261247).

320330331011009 is a wasteful number, since it uses less digits than its factorization.

320330331011009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881189 (or 881178 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 29.

The spelling of 320330331011009 in words is "three hundred twenty trillion, three hundred thirty billion, three hundred thirty-one million, eleven thousand, nine".