2431430420343 has 4 divisors (see below), whose sum is σ = 3241907227128. Its totient is φ = 1620953613560.

The previous prime is 2431430420333. The next prime is 2431430420357. The reversal of 2431430420343 is 3430240341342.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2431430420343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431430420333) 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, 405238403388 + ... + 405238403393.

It is an arithmetic number, because the mean of its divisors is an integer number (810476806782).

Almost surely, 2^{2431430420343} is an apocalyptic number.

2431430420343 is a deficient number, since it is larger than the sum of its proper divisors (810476806785).

2431430420343 is an equidigital number, since it uses as much as digits as its factorization.

2431430420343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810476806784.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 2431430420343 its reverse (3430240341342), we get a palindrome (5861670761685).

The spelling of 2431430420343 in words is "two trillion, four hundred thirty-one billion, four hundred thirty million, four hundred twenty thousand, three hundred forty-three".