431345116255 has 32 divisors (see below), whose sum is σ = 543238447104. Its totient is φ = 328409997696.

The previous prime is 431345116249. The next prime is 431345116273. The reversal of 431345116255 is 552611543134.

It is a cyclic number.

It is not a de Polignac number, because 431345116255 - 2⁹ = 431345115743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15489274 + ... + 15517096.

It is an arithmetic number, because the mean of its divisors is an integer number (16976201472).

Almost surely, 2^431345116255 is an apocalyptic number.

431345116255 is a deficient number, since it is larger than the sum of its proper divisors (111893330849).

431345116255 is a wasteful number, since it uses less digits than its factorization.

431345116255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29695.

The product of its digits is 216000, while the sum is 40.

Adding to 431345116255 its reverse (552611543134), we get a palindrome (983956659389).

It can be divided in two parts, 431345 and 116255, that added together give a square (547600 = 740²).

The spelling of 431345116255 in words is "four hundred thirty-one billion, three hundred forty-five million, one hundred sixteen thousand, two hundred fifty-five".