255031324455313 has 4 divisors (see below), whose sum is σ = 291464370806080. Its totient is φ = 218598278104548.

The previous prime is 255031324455287. The next prime is 255031324455353. The reversal of 255031324455313 is 313554423130552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255031324455313 - 2¹⁷ = 255031324324241 is a prime.

It is a super-2 number, since 2×255031324455313² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255031324455353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18216523175373 + ... + 18216523175386.

It is an arithmetic number, because the mean of its divisors is an integer number (72866092701520).

Almost surely, 2^{255031324455313} is an apocalyptic number.

It is an amenable number.

255031324455313 is a deficient number, since it is larger than the sum of its proper divisors (36433046350767).

255031324455313 is an equidigital number, since it uses as much as digits as its factorization.

255031324455313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36433046350766.

The product of its (nonzero) digits is 3240000, while the sum is 46.

Adding to 255031324455313 its reverse (313554423130552), we get a palindrome (568585747585865).

The spelling of 255031324455313 in words is "two hundred fifty-five trillion, thirty-one billion, three hundred twenty-four million, four hundred fifty-five thousand, three hundred thirteen".