2103432305 has 48 divisors (see below), whose sum is σ = 2871313920. Its totient is φ = 1476633600.

The previous prime is 2103432299. The next prime is 2103432347. The reversal of 2103432305 is 5032343012.

It is not a de Polignac number, because 2103432305 - 2¹⁴ = 2103415921 is a prime.

It is a super-2 number, since 2×2103432305² = 8848854923435226050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1544825 + ... + 1546185.

It is an arithmetic number, because the mean of its divisors is an integer number (59819040).

Almost surely, 2^2103432305 is an apocalyptic number.

It is an amenable number.

2103432305 is a deficient number, since it is larger than the sum of its proper divisors (767881615).

2103432305 is a wasteful number, since it uses less digits than its factorization.

2103432305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1469 counting only the distinct ones).

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

The square root of 2103432305 is about 45863.1911776754. The cubic root of 2103432305 is about 1281.2764579744.

Adding to 2103432305 its reverse (5032343012), we get a palindrome (7135775317).

The spelling of 2103432305 in words is "two billion, one hundred three million, four hundred thirty-two thousand, three hundred five".