2102543133 has 4 divisors (see below), whose sum is σ = 2803390848. Its totient is φ = 1401695420.

The previous prime is 2102543117. The next prime is 2102543141. The reversal of 2102543133 is 3313452012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2102543133 - 2⁴ = 2102543117 is a prime.

It is a super-2 number, since 2×2102543133² = 8841375252250911378, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102543143) 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, 350423853 + ... + 350423858.

It is an arithmetic number, because the mean of its divisors is an integer number (700847712).

Almost surely, 2^2102543133 is an apocalyptic number.

It is an amenable number.

2102543133 is a deficient number, since it is larger than the sum of its proper divisors (700847715).

2102543133 is an equidigital number, since it uses as much as digits as its factorization.

2102543133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700847714.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2102543133 is about 45853.4964097614. The cubic root of 2102543133 is about 1281.0958902868.

Adding to 2102543133 its reverse (3313452012), we get a palindrome (5415995145).

The spelling of 2102543133 in words is "two billion, one hundred two million, five hundred forty-three thousand, one hundred thirty-three".