431320463 has 16 divisors (see below), whose sum is σ = 520408320. Its totient is φ = 349214976.

The previous prime is 431320441. The next prime is 431320469. The reversal of 431320463 is 364023134.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 431320463 - 2²² = 427126159 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 (431320469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42356 + ... + 51542.

It is an arithmetic number, because the mean of its divisors is an integer number (32525520).

Almost surely, 2^431320463 is an apocalyptic number.

431320463 is a deficient number, since it is larger than the sum of its proper divisors (89087857).

431320463 is a wasteful number, since it uses less digits than its factorization.

431320463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 431320463 is about 20768.2561376732. The cubic root of 431320463 is about 755.5560501783.

Adding to 431320463 its reverse (364023134), we get a palindrome (795343597).

The spelling of 431320463 in words is "four hundred thirty-one million, three hundred twenty thousand, four hundred sixty-three".