313213304003445 has 48 divisors (see below), whose sum is σ = 552847885649280. Its totient is φ = 163994770520448.

The previous prime is 313213304003419. The next prime is 313213304003461. The reversal of 313213304003445 is 544300403312313.

313213304003445 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 1 + 3 + 304 + 0 + 0 + 344 + 5 = 666.

It is not a de Polignac number, because 313213304003445 - 2⁷ = 313213304003317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77415702 + ... + 81361031.

It is an arithmetic number, because the mean of its divisors is an integer number (11517664284360).

Almost surely, 2^{313213304003445} is an apocalyptic number.

It is an amenable number.

313213304003445 is a deficient number, since it is larger than the sum of its proper divisors (239634581645835).

313213304003445 is a wasteful number, since it uses less digits than its factorization.

313213304003445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158777546 (or 158777543 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 313213304003445 its reverse (544300403312313), we get a palindrome (857513707315758).

The spelling of 313213304003445 in words is "three hundred thirteen trillion, two hundred thirteen billion, three hundred four million, three thousand, four hundred forty-five".