313003111312 has 20 divisors (see below), whose sum is σ = 606453168640. Its totient is φ = 156499067808.

The previous prime is 313003111243. The next prime is 313003111319. The reversal of 313003111312 is 213111300313.

It is a super-2 number, since 2×313003111312² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313003111312.

It is not an unprimeable number, because it can be changed into a prime (313003111319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289233 + ... + 1512655.

It is an arithmetic number, because the mean of its divisors is an integer number (30322658432).

Almost surely, 2^313003111312 is an apocalyptic number.

It is an amenable number.

313003111312 is a deficient number, since it is larger than the sum of its proper divisors (293450057328).

313003111312 is a wasteful number, since it uses less digits than its factorization.

313003111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310990 (or 310984 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 313003111312 its reverse (213111300313), we get a palindrome (526114411625).

The spelling of 313003111312 in words is "three hundred thirteen billion, three million, one hundred eleven thousand, three hundred twelve".