431488197 has 24 divisors (see below), whose sum is σ = 723981440. Its totient is φ = 242520480.

The previous prime is 431488177. The next prime is 431488217. The reversal of 431488197 is 791884134.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (431488177) and next prime (431488217).

It is not a de Polignac number, because 431488197 - 2⁷ = 431488069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431488177) 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 23 ways as a sum of consecutive naturals, for example, 52297 + ... + 59982.

Almost surely, 2^431488197 is an apocalyptic number.

It is an amenable number.

431488197 is a deficient number, since it is larger than the sum of its proper divisors (292493243).

431488197 is a wasteful number, since it uses less digits than its factorization.

431488197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112353 (or 112350 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 431488197 is about 20772.2939753894. The cubic root of 431488197 is about 755.6539789226.

The spelling of 431488197 in words is "four hundred thirty-one million, four hundred eighty-eight thousand, one hundred ninety-seven".