313003231312 has 60 divisors (see below), whose sum is σ = 638520520960. Its totient is φ = 148619680704.

The previous prime is 313003231291. The next prime is 313003231337. The reversal of 313003231312 is 213132300313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1043473 + ... + 1309519.

Almost surely, 2^313003231312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313003231312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319260260480).

313003231312 is an abundant number, since it is smaller than the sum of its proper divisors (325517289648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313003231312 is a wasteful number, since it uses less digits than its factorization.

313003231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266240 (or 266211 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 313003231312 its reverse (213132300313), we get a palindrome (526135531625).

The spelling of 313003231312 in words is "three hundred thirteen billion, three million, two hundred thirty-one thousand, three hundred twelve".