2103430915 has 4 divisors (see below), whose sum is σ = 2524117104. Its totient is φ = 1682744728.

The previous prime is 2103430907. The next prime is 2103430921. The reversal of 2103430915 is 5190343012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2103430915 - 2³ = 2103430907 is a prime.

It is a super-2 number, since 2×2103430915² = 8848843228355474450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210343087 + ... + 210343096.

It is an arithmetic number, because the mean of its divisors is an integer number (631029276).

Almost surely, 2^2103430915 is an apocalyptic number.

2103430915 is a deficient number, since it is larger than the sum of its proper divisors (420686189).

2103430915 is an equidigital number, since it uses as much as digits as its factorization.

2103430915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420686188.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2103430915 is about 45863.1760239083. The cubic root of 2103430915 is about 1281.2761757413.

Adding to 2103430915 its reverse (5190343012), we get a palindrome (7293773927).

The spelling of 2103430915 in words is "two billion, one hundred three million, four hundred thirty thousand, nine hundred fifteen".