2141131243 has 4 divisors (see below), whose sum is σ = 2146722048. Its totient is φ = 2135540440.

The previous prime is 2141131241. The next prime is 2141131253. The reversal of 2141131243 is 3421311412.

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 2141131243 - 2¹ = 2141131241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141131241) 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, 2794828 + ... + 2795593.

It is an arithmetic number, because the mean of its divisors is an integer number (536680512).

Almost surely, 2^2141131243 is an apocalyptic number.

2141131243 is a deficient number, since it is larger than the sum of its proper divisors (5590805).

2141131243 is an equidigital number, since it uses as much as digits as its factorization.

2141131243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5590804.

The product of its digits is 576, while the sum is 22.

The square root of 2141131243 is about 46272.3593844100. The cubic root of 2141131243 is about 1288.8857720416.

Adding to 2141131243 its reverse (3421311412), we get a palindrome (5562442655).

The spelling of 2141131243 in words is "two billion, one hundred forty-one million, one hundred thirty-one thousand, two hundred forty-three".