2103431099 has 16 divisors (see below), whose sum is σ = 2623919616. Its totient is φ = 1638124800.

The previous prime is 2103431047. The next prime is 2103431101. The reversal of 2103431099 is 9901343012.

It is a cyclic number.

It is not a de Polignac number, because 2103431099 - 2⁸ = 2103430843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103431039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153674 + ... + 166800.

It is an arithmetic number, because the mean of its divisors is an integer number (163994976).

Almost surely, 2^2103431099 is an apocalyptic number.

2103431099 is a deficient number, since it is larger than the sum of its proper divisors (520488517).

2103431099 is a wasteful number, since it uses less digits than its factorization.

2103431099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15226.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 2103431099 is about 45863.1780298749. The cubic root of 2103431099 is about 1281.2762131016.

The spelling of 2103431099 in words is "two billion, one hundred three million, four hundred thirty-one thousand, ninety-nine".