431319463 has 4 divisors (see below), whose sum is σ = 431494288. Its totient is φ = 431144640.

The previous prime is 431319457. The next prime is 431319481. The reversal of 431319463 is 364913134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364913134 = 2 ⋅182456567.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431319463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431319433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83658 + ... + 88663.

It is an arithmetic number, because the mean of its divisors is an integer number (107873572).

Almost surely, 2^431319463 is an apocalyptic number.

431319463 is a deficient number, since it is larger than the sum of its proper divisors (174825).

431319463 is a wasteful number, since it uses less digits than its factorization.

431319463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174824.

The product of its digits is 23328, while the sum is 34.

The square root of 431319463 is about 20768.2320624554. The cubic root of 431319463 is about 755.5554662686. Note that the first 3 decimals are identical.

The spelling of 431319463 in words is "four hundred thirty-one million, three hundred nineteen thousand, four hundred sixty-three".