313123133132 has 48 divisors (see below), whose sum is σ = 568394457120. Its totient is φ = 150837253632.

The previous prime is 313123133117. The next prime is 313123133153. The reversal of 313123133132 is 231331321313.

It is a super-2 number, since 2×313123133132² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11706638 + ... + 11733354.

It is an arithmetic number, because the mean of its divisors is an integer number (11841551190).

Almost surely, 2^313123133132 is an apocalyptic number.

It is an amenable number.

313123133132 is a deficient number, since it is larger than the sum of its proper divisors (255271323988).

313123133132 is a wasteful number, since it uses less digits than its factorization.

313123133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27770 (or 27768 counting only the distinct ones).

The product of its digits is 2916, while the sum is 26.

Adding to 313123133132 its reverse (231331321313), we get a palindrome (544454454445).

The spelling of 313123133132 in words is "three hundred thirteen billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred thirty-two".