2431242043 has 4 divisors (see below), whose sum is σ = 2431485000. Its totient is φ = 2430999088.

The previous prime is 2431242017. The next prime is 2431242049. The reversal of 2431242043 is 3402421342.

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 2431242043 - 2²¹ = 2429144891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2431241999 and 2431242017.

It is not an unprimeable number, because it can be changed into a prime (2431242049) 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, 105793 + ... + 126706.

It is an arithmetic number, because the mean of its divisors is an integer number (607871250).

Almost surely, 2^2431242043 is an apocalyptic number.

2431242043 is a deficient number, since it is larger than the sum of its proper divisors (242957).

2431242043 is a wasteful number, since it uses less digits than its factorization.

2431242043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242956.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2431242043 is about 49307.6266210411. The cubic root of 2431242043 is about 1344.6504424583.

Adding to 2431242043 its reverse (3402421342), we get a palindrome (5833663385).

The spelling of 2431242043 in words is "two billion, four hundred thirty-one million, two hundred forty-two thousand, forty-three".