431456242111 has 4 divisors (see below), whose sum is σ = 454164465400. Its totient is φ = 408748018824.

The previous prime is 431456242109. The next prime is 431456242123. The reversal of 431456242111 is 111242654134.

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 431456242111 - 2¹ = 431456242109 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 (431456252111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11354111616 + ... + 11354111653.

It is an arithmetic number, because the mean of its divisors is an integer number (113541116350).

Almost surely, 2^431456242111 is an apocalyptic number.

431456242111 is a deficient number, since it is larger than the sum of its proper divisors (22708223289).

431456242111 is a wasteful number, since it uses less digits than its factorization.

431456242111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22708223288.

The product of its digits is 23040, while the sum is 34.

Adding to 431456242111 its reverse (111242654134), we get a palindrome (542698896245).

The spelling of 431456242111 in words is "four hundred thirty-one billion, four hundred fifty-six million, two hundred forty-two thousand, one hundred eleven".