2103100133 has 4 divisors (see below), whose sum is σ = 2111283660. Its totient is φ = 2094916608.

The previous prime is 2103100127. The next prime is 2103100157. The reversal of 2103100133 is 3310013012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1057095169 + 1046004964 = 32513^2 + 32342^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103100133 - 2⁸ = 2103099877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103100193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4091378 + ... + 4091891.

It is an arithmetic number, because the mean of its divisors is an integer number (527820915).

Almost surely, 2^2103100133 is an apocalyptic number.

It is an amenable number.

2103100133 is a deficient number, since it is larger than the sum of its proper divisors (8183527).

2103100133 is an equidigital number, since it uses as much as digits as its factorization.

2103100133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8183526.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 2103100133 is about 45859.5696992460. The cubic root of 2103100133 is about 1281.2090084431.

Adding to 2103100133 its reverse (3310013012), we get a palindrome (5413113145).

The spelling of 2103100133 in words is "two billion, one hundred three million, one hundred thousand, one hundred thirty-three".