431242455 has 32 divisors (see below), whose sum is σ = 792949248. Its totient is φ = 196041600.

The previous prime is 431242439. The next prime is 431242459. The reversal of 431242455 is 554242134.

It is not a de Polignac number, because 431242455 - 2⁴ = 431242439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431242459) 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 31 ways as a sum of consecutive naturals, for example, 7660 + ... + 30350.

It is an arithmetic number, because the mean of its divisors is an integer number (24779664).

Almost surely, 2^431242455 is an apocalyptic number.

431242455 is a deficient number, since it is larger than the sum of its proper divisors (361706793).

431242455 is a wasteful number, since it uses less digits than its factorization.

431242455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22887.

The product of its digits is 19200, while the sum is 30.

The square root of 431242455 is about 20766.3779942483. The cubic root of 431242455 is about 755.5104978377.

Adding to 431242455 its reverse (554242134), we get a palindrome (985484589).

The spelling of 431242455 in words is "four hundred thirty-one million, two hundred forty-two thousand, four hundred fifty-five".