320330331011003 has 4 divisors (see below), whose sum is σ = 320330367229368. Its totient is φ = 320330294792640.

The previous prime is 320330331010957. The next prime is 320330331011023. The reversal of 320330331011003 is 300110133033023.

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.

It is a cyclic number.

It is not a de Polignac number, because 320330331011003 - 2²² = 320330326816699 is a prime.

It is a super-2 number, since 2×320330331011003² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320330331011003.

It is not an unprimeable number, because it can be changed into a prime (320330331011023) 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, 4916075 + ... + 25784267.

It is an arithmetic number, because the mean of its divisors is an integer number (80082591807342).

Almost surely, 2^{320330331011003} is an apocalyptic number.

320330331011003 is a deficient number, since it is larger than the sum of its proper divisors (36218365).

320330331011003 is a wasteful number, since it uses less digits than its factorization.

320330331011003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36218364.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 320330331011003 its reverse (300110133033023), we get a palindrome (620440464044026).

The spelling of 320330331011003 in words is "three hundred twenty trillion, three hundred thirty billion, three hundred thirty-one million, eleven thousand, three".