431170520447 has 8 divisors (see below), whose sum is σ = 456866024976. Its totient is φ = 405511964032.

The previous prime is 431170520423. The next prime is 431170520461. The reversal of 431170520447 is 744025071134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431170520447 - 2¹² = 431170516351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431170520447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431170525447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9212993 + ... + 9259674.

It is an arithmetic number, because the mean of its divisors is an integer number (57108253122).

Almost surely, 2^431170520447 is an apocalyptic number.

431170520447 is a deficient number, since it is larger than the sum of its proper divisors (25695504529).

431170520447 is a wasteful number, since it uses less digits than its factorization.

431170520447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18474057.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 431170520447 in words is "four hundred thirty-one billion, one hundred seventy million, five hundred twenty thousand, four hundred forty-seven".