2103315545 has 16 divisors (see below), whose sum is σ = 2584327680. Its totient is φ = 1642470144.

The previous prime is 2103315541. The next prime is 2103315581. The reversal of 2103315545 is 5455133012.

It is a cyclic number.

It is not a de Polignac number, because 2103315545 - 2² = 2103315541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2103315541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662552 + ... + 665718.

It is an arithmetic number, because the mean of its divisors is an integer number (161520480).

Almost surely, 2^2103315545 is an apocalyptic number.

It is an amenable number.

2103315545 is a deficient number, since it is larger than the sum of its proper divisors (481012135).

2103315545 is a wasteful number, since it uses less digits than its factorization.

2103315545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2103315545 is about 45861.9182437891. The cubic root of 2103315545 is about 1281.2527499604.

Adding to 2103315545 its reverse (5455133012), we get a palindrome (7558448557).

The spelling of 2103315545 in words is "two billion, one hundred three million, three hundred fifteen thousand, five hundred forty-five".