313731603500612 has 24 divisors (see below), whose sum is σ = 599301445710240. Its totient is φ = 142519728229760.

The previous prime is 313731603500587. The next prime is 313731603500639. The reversal of 313731603500612 is 216005306137313.

It is a self number, because there is not a number n which added to its sum of digits gives 313731603500612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2138578037 + ... + 2138724732.

It is an arithmetic number, because the mean of its divisors is an integer number (24970893571260).

Almost surely, 2^{313731603500612} is an apocalyptic number.

It is an amenable number.

313731603500612 is a deficient number, since it is larger than the sum of its proper divisors (285569842209628).

313731603500612 is a wasteful number, since it uses less digits than its factorization.

313731603500612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277304451 (or 4277304449 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 41.

Adding to 313731603500612 its reverse (216005306137313), we get a palindrome (529736909637925).

The spelling of 313731603500612 in words is "three hundred thirteen trillion, seven hundred thirty-one billion, six hundred three million, five hundred thousand, six hundred twelve".