431312422011043 has 4 divisors (see below), whose sum is σ = 431333479123848. Its totient is φ = 431291364898240.

The previous prime is 431312422011013. The next prime is 431312422011067. The reversal of 431312422011043 is 340110224213134.

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-431312422011043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431312422010996 and 431312422011014.

It is not an unprimeable number, because it can be changed into a prime (431312422011013) 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, 10528525678 + ... + 10528566643.

It is an arithmetic number, because the mean of its divisors is an integer number (107833369780962).

Almost surely, 2^{431312422011043} is an apocalyptic number.

431312422011043 is a deficient number, since it is larger than the sum of its proper divisors (21057112805).

431312422011043 is a wasteful number, since it uses less digits than its factorization.

431312422011043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21057112804.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 431312422011043 its reverse (340110224213134), we get a palindrome (771422646224177).

The spelling of 431312422011043 in words is "four hundred thirty-one trillion, three hundred twelve billion, four hundred twenty-two million, eleven thousand, forty-three".