2431430143 has 4 divisors (see below), whose sum is σ = 2435358760. Its totient is φ = 2427501528.

The previous prime is 2431430081. The next prime is 2431430159. The reversal of 2431430143 is 3410341342.

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 2431430143 - 2⁹ = 2431429631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431434143) 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, 1963380 + ... + 1964617.

It is an arithmetic number, because the mean of its divisors is an integer number (608839690).

Almost surely, 2^2431430143 is an apocalyptic number.

2431430143 is a deficient number, since it is larger than the sum of its proper divisors (3928617).

2431430143 is an equidigital number, since it uses as much as digits as its factorization.

2431430143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928616.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2431430143 is about 49309.5339969868. The cubic root of 2431430143 is about 1344.6851191408.

Adding to 2431430143 its reverse (3410341342), we get a palindrome (5841771485).

The spelling of 2431430143 in words is "two billion, four hundred thirty-one million, four hundred thirty thousand, one hundred forty-three".