313221303553255 has 16 divisors (see below), whose sum is σ = 384986067580800. Its totient is φ = 244557816199200.

The previous prime is 313221303553253. The next prime is 313221303553271. The reversal of 313221303553255 is 552355303122313.

It is not a de Polignac number, because 313221303553255 - 2¹ = 313221303553253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313221303553253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3819265221 + ... + 3819347230.

It is an arithmetic number, because the mean of its divisors is an integer number (24061629223800).

Almost surely, 2^{313221303553255} is an apocalyptic number.

313221303553255 is a deficient number, since it is larger than the sum of its proper divisors (71764764027545).

313221303553255 is a wasteful number, since it uses less digits than its factorization.

313221303553255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638612654.

The product of its (nonzero) digits is 1215000, while the sum is 43.

Adding to 313221303553255 its reverse (552355303122313), we get a palindrome (865576606675568).

The spelling of 313221303553255 in words is "three hundred thirteen trillion, two hundred twenty-one billion, three hundred three million, five hundred fifty-three thousand, two hundred fifty-five".