2102304155 has 32 divisors (see below), whose sum is σ = 2952806400. Its totient is φ = 1407174912.

The previous prime is 2102304109. The next prime is 2102304157. The reversal of 2102304155 is 5514032012.

It is a cyclic number.

It is not a de Polignac number, because 2102304155 - 2⁸ = 2102303899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102304155.

It is not an unprimeable number, because it can be changed into a prime (2102304157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241814 + ... + 250356.

It is an arithmetic number, because the mean of its divisors is an integer number (92275200).

Almost surely, 2^2102304155 is an apocalyptic number.

2102304155 is a deficient number, since it is larger than the sum of its proper divisors (850502245).

2102304155 is an equidigital number, since it uses as much as digits as its factorization.

2102304155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8723.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2102304155 is about 45850.8904493686. The cubic root of 2102304155 is about 1281.0473513962.

Adding to 2102304155 its reverse (5514032012), we get a palindrome (7616336167).

The spelling of 2102304155 in words is "two billion, one hundred two million, three hundred four thousand, one hundred fifty-five".