431242255 has 8 divisors (see below), whose sum is σ = 518403600. Its totient is φ = 344385216.

The previous prime is 431242193. The next prime is 431242261. The reversal of 431242255 is 552242134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431242255 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72945 + ... + 78634.

It is an arithmetic number, because the mean of its divisors is an integer number (64800450).

Almost surely, 2^431242255 is an apocalyptic number.

431242255 is a deficient number, since it is larger than the sum of its proper divisors (87161345).

431242255 is a wasteful number, since it uses less digits than its factorization.

431242255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152153.

The product of its digits is 9600, while the sum is 28.

The square root of 431242255 is about 20766.3731787715. The cubic root of 431242255 is about 755.5103810417.

Adding to 431242255 its reverse (552242134), we get a palindrome (983484389).

The spelling of 431242255 in words is "four hundred thirty-one million, two hundred forty-two thousand, two hundred fifty-five".