431344323241 has 4 divisors (see below), whose sum is σ = 464524655812. Its totient is φ = 398163990672.

The previous prime is 431344323239. The next prime is 431344323251. The reversal of 431344323241 is 142323443134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142323443134 = 2 ⋅71161721567.

It can be written as a sum of positive squares in 2 ways, for example, as 21269305600 + 410075017641 = 145840^2 + 640371^2 .

It is a cyclic number.

It is not a de Polignac number, because 431344323241 - 2¹ = 431344323239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431344323197 and 431344323206.

It is not an unprimeable number, because it can be changed into a prime (431344323251) 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, 16590166266 + ... + 16590166291.

It is an arithmetic number, because the mean of its divisors is an integer number (116131163953).

Almost surely, 2^431344323241 is an apocalyptic number.

It is an amenable number.

431344323241 is a deficient number, since it is larger than the sum of its proper divisors (33180332571).

431344323241 is a wasteful number, since it uses less digits than its factorization.

431344323241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33180332570.

The product of its digits is 82944, while the sum is 34.

Adding to 431344323241 its reverse (142323443134), we get a palindrome (573667766375).

The spelling of 431344323241 in words is "four hundred thirty-one billion, three hundred forty-four million, three hundred twenty-three thousand, two hundred forty-one".