2313322231320 has 160 divisors (see below), whose sum is σ = 7781735253600. Its totient is φ = 616377987072.

The previous prime is 2313322231237. The next prime is 2313322231357. The reversal of 2313322231320 is 231322233132.

2313322231320 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 322 + 2 + 313 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3649741 + ... + 4236419.

It is an arithmetic number, because the mean of its divisors is an integer number (48635845335).

Almost surely, 2^{2313322231320} is an apocalyptic number.

2313322231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2313322231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3890867626800).

2313322231320 is an abundant number, since it is smaller than the sum of its proper divisors (5468413022280).

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

2313322231320 is a wasteful number, since it uses less digits than its factorization.

2313322231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587919 (or 587906 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 2313322231320 its reverse (231322233132), we get a palindrome (2544644464452).

The spelling of 2313322231320 in words is "two trillion, three hundred thirteen billion, three hundred twenty-two million, two hundred thirty-one thousand, three hundred twenty".