431225152640441 has 4 divisors (see below), whose sum is σ = 431225606049252. Its totient is φ = 431224699231632.

The previous prime is 431225152640417. The next prime is 431225152640461. The reversal of 431225152640441 is 144046251522134.

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

It can be written as a sum of positive squares in 2 ways, for example, as 89658571130041 + 341566581510400 = 9468821^2 + 18481520^2 .

It is a cyclic number.

It is not a de Polignac number, because 431225152640441 - 2¹⁸ = 431225152378297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431225152640392 and 431225152640401.

It is not an unprimeable number, because it can be changed into a prime (431225152640461) 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, 225274790 + ... + 227180943.

It is an arithmetic number, because the mean of its divisors is an integer number (107806401512313).

Almost surely, 2^{431225152640441} is an apocalyptic number.

It is an amenable number.

431225152640441 is a deficient number, since it is larger than the sum of its proper divisors (453408811).

431225152640441 is an equidigital number, since it uses as much as digits as its factorization.

431225152640441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453408810.

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 431225152640441 in words is "four hundred thirty-one trillion, two hundred twenty-five billion, one hundred fifty-two million, six hundred forty thousand, four hundred forty-one".