313132130333220 has 96 divisors (see below), whose sum is σ = 972156265266816. Its totient is φ = 74666379801600.

The previous prime is 313132130333137. The next prime is 313132130333221. The reversal of 313132130333220 is 22333031231313.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (313132130333221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3888833689 + ... + 3888914208.

It is an arithmetic number, because the mean of its divisors is an integer number (10126627763196).

Almost surely, 2^{313132130333220} is an apocalyptic number.

313132130333220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313132130333220 is an abundant number, since it is smaller than the sum of its proper divisors (659024134933596).

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

313132130333220 is a wasteful number, since it uses less digits than its factorization.

313132130333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777747981 (or 7777747979 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 313132130333220 its reverse (22333031231313), we get a palindrome (335465161564533).

The spelling of 313132130333220 in words is "three hundred thirteen trillion, one hundred thirty-two billion, one hundred thirty million, three hundred thirty-three thousand, two hundred twenty".