2103320345 has 24 divisors (see below), whose sum is σ = 2948963400. Its totient is φ = 1435940352.

The previous prime is 2103320287. The next prime is 2103320383. The reversal of 2103320345 is 5430233012.

It can be written as a sum of positive squares in 4 ways, for example, as 1176970249 + 926350096 = 34307^2 + 30436^2 .

It is not a de Polignac number, because 2103320345 - 2⁶ = 2103320281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2103320345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37361 + ... + 74849.

It is an arithmetic number, because the mean of its divisors is an integer number (122873475).

Almost surely, 2^2103320345 is an apocalyptic number.

It is an amenable number.

2103320345 is a deficient number, since it is larger than the sum of its proper divisors (845643055).

2103320345 is a wasteful number, since it uses less digits than its factorization.

2103320345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37737 (or 37730 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2103320345 is about 45861.9705747583. The cubic root of 2103320345 is about 1281.2537246134.

Adding to 2103320345 its reverse (5430233012), we get a palindrome (7533553357).

The spelling of 2103320345 in words is "two billion, one hundred three million, three hundred twenty thousand, three hundred forty-five".