313231141312 has 28 divisors (see below), whose sum is σ = 621726026040. Its totient is φ = 156575764736.

The previous prime is 313231141291. The next prime is 313231141319. The reversal of 313231141312 is 213141132313.

It is a super-2 number, since 2×313231141312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313231141319) 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, 367387 + ... + 872602.

It is an arithmetic number, because the mean of its divisors is an integer number (22204500930).

Almost surely, 2^313231141312 is an apocalyptic number.

313231141312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

313231141312 is a deficient number, since it is larger than the sum of its proper divisors (308494884728).

313231141312 is a wasteful number, since it uses less digits than its factorization.

313231141312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243948 (or 1243938 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

Adding to 313231141312 its reverse (213141132313), we get a palindrome (526372273625).

The spelling of 313231141312 in words is "three hundred thirteen billion, two hundred thirty-one million, one hundred forty-one thousand, three hundred twelve".