2110531243 has 4 divisors (see below), whose sum is σ = 2178612928. Its totient is φ = 2042449560.

The previous prime is 2110531223. The next prime is 2110531273. The reversal of 2110531243 is 3421350112.

It is a happy number.

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 2110531243 - 2⁹ = 2110530731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110531223) 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, 34040796 + ... + 34040857.

It is an arithmetic number, because the mean of its divisors is an integer number (544653232).

Almost surely, 2^2110531243 is an apocalyptic number.

2110531243 is a deficient number, since it is larger than the sum of its proper divisors (68081685).

2110531243 is an equidigital number, since it uses as much as digits as its factorization.

2110531243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68081684.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2110531243 is about 45940.5185321193. The cubic root of 2110531243 is about 1282.7162458237.

Adding to 2110531243 its reverse (3421350112), we get a palindrome (5531881355).

The spelling of 2110531243 in words is "two billion, one hundred ten million, five hundred thirty-one thousand, two hundred forty-three".