431114405 has 4 divisors (see below), whose sum is σ = 517337292. Its totient is φ = 344891520.

The previous prime is 431114401. The next prime is 431114413. The reversal of 431114405 is 504411134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 299186209 + 131928196 = 17297^2 + 11486^2 .

It is not a de Polignac number, because 431114405 - 2² = 431114401 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 (431114401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43111436 + ... + 43111445.

It is an arithmetic number, because the mean of its divisors is an integer number (129334323).

Almost surely, 2^431114405 is an apocalyptic number.

It is an amenable number.

431114405 is a deficient number, since it is larger than the sum of its proper divisors (86222887).

431114405 is an equidigital number, since it uses as much as digits as its factorization.

431114405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86222886.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 431114405 is about 20763.2946566772. The cubic root of 431114405 is about 755.4357118365.

Adding to 431114405 its reverse (504411134), we get a palindrome (935525539).

The spelling of 431114405 in words is "four hundred thirty-one million, one hundred fourteen thousand, four hundred five".