313223121303545 has 16 divisors (see below), whose sum is σ = 392222170933632. Its totient is φ = 239676232878720.

The previous prime is 313223121303511. The next prime is 313223121303571. The reversal of 313223121303545 is 545303121322313.

It is not a de Polignac number, because 313223121303545 - 2¹² = 313223121299449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313223121303499 and 313223121303508.

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, 39210572 + ... + 46517901.

It is an arithmetic number, because the mean of its divisors is an integer number (24513885683352).

Almost surely, 2^{313223121303545} is an apocalyptic number.

It is an amenable number.

313223121303545 is a deficient number, since it is larger than the sum of its proper divisors (78999049630087).

313223121303545 is a wasteful number, since it uses less digits than its factorization.

313223121303545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85760272.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 313223121303545 its reverse (545303121322313), we get a palindrome (858526242625858).

The spelling of 313223121303545 in words is "three hundred thirteen trillion, two hundred twenty-three billion, one hundred twenty-one million, three hundred three thousand, five hundred forty-five".