320231532635255 has 16 divisors (see below), whose sum is σ = 398177296469280. Its totient is φ = 246947743340928.

The previous prime is 320231532635219. The next prime is 320231532635293. The reversal of 320231532635255 is 552536235132023.

It is a cyclic number.

It is not a de Polignac number, because 320231532635255 - 2¹⁴ = 320231532618871 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 (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1801292297 + ... + 1801470066.

It is an arithmetic number, because the mean of its divisors is an integer number (24886081029330).

Almost surely, 2^{320231532635255} is an apocalyptic number.

320231532635255 is a deficient number, since it is larger than the sum of its proper divisors (77945763834025).

320231532635255 is a wasteful number, since it uses less digits than its factorization.

320231532635255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602763010.

The product of its (nonzero) digits is 4860000, while the sum is 47.

Adding to 320231532635255 its reverse (552536235132023), we get a palindrome (872767767767278).

The spelling of 320231532635255 in words is "three hundred twenty trillion, two hundred thirty-one billion, five hundred thirty-two million, six hundred thirty-five thousand, two hundred fifty-five".