431341524532321 has 6 divisors (see below), whose sum is σ = 467073958517430. Its totient is φ = 398161407260448.

The previous prime is 431341524532273. The next prime is 431341524532379. The reversal of 431341524532321 is 123235425143134.

It can be written as a sum of positive squares in 3 ways, for example, as 33039917857296 + 398301606675025 = 5748036^2 + 19957495^2 .

It is a de Polignac number, because none of the positive numbers 2^k-431341524532321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431341524532021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1276158356436 + ... + 1276158356773.

It is an arithmetic number, because the mean of its divisors is an integer number (77845659752905).

Almost surely, 2^{431341524532321} is an apocalyptic number.

It is an amenable number.

431341524532321 is a deficient number, since it is larger than the sum of its proper divisors (35732433985109).

431341524532321 is a wasteful number, since it uses less digits than its factorization.

431341524532321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552316713235 (or 2552316713222 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 43.

Adding to 431341524532321 its reverse (123235425143134), we get a palindrome (554576949675455).

The spelling of 431341524532321 in words is "four hundred thirty-one trillion, three hundred forty-one billion, five hundred twenty-four million, five hundred thirty-two thousand, three hundred twenty-one".