320342012103 has 24 divisors (see below), whose sum is σ = 439214522880. Its totient is φ = 207677714400.

The previous prime is 320342012099. The next prime is 320342012147. The reversal of 320342012103 is 301210243023.

It is not a de Polignac number, because 320342012103 - 2² = 320342012099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320342012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320342012303) 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, 7992768 + ... + 8032746.

It is an arithmetic number, because the mean of its divisors is an integer number (18300605120).

Almost surely, 2^320342012103 is an apocalyptic number.

320342012103 is a deficient number, since it is larger than the sum of its proper divisors (118872510777).

320342012103 is a wasteful number, since it uses less digits than its factorization.

320342012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42007 (or 41970 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 320342012103 its reverse (301210243023), we get a palindrome (621552255126).

The spelling of 320342012103 in words is "three hundred twenty billion, three hundred forty-two million, twelve thousand, one hundred three".