431212542343 has 4 divisors (see below), whose sum is σ = 470413682568. Its totient is φ = 392011402120.

The previous prime is 431212542317. The next prime is 431212542353. The reversal of 431212542343 is 343245212134.

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 431212542343 - 2¹⁷ = 431212411271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431212542299 and 431212542308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431212542353) 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, 19600570096 + ... + 19600570117.

It is an arithmetic number, because the mean of its divisors is an integer number (117603420642).

Almost surely, 2^431212542343 is an apocalyptic number.

431212542343 is a deficient number, since it is larger than the sum of its proper divisors (39201140225).

431212542343 is a wasteful number, since it uses less digits than its factorization.

431212542343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39201140224.

The product of its digits is 69120, while the sum is 34.

Adding to 431212542343 its reverse (343245212134), we get a palindrome (774457754477).

The spelling of 431212542343 in words is "four hundred thirty-one billion, two hundred twelve million, five hundred forty-two thousand, three hundred forty-three".