2313311320 has 32 divisors (see below), whose sum is σ = 5231124000. Its totient is φ = 920671488.

The previous prime is 2313311303. The next prime is 2313311339. The reversal of 2313311320 is 231133132.

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 7 ways as a sum of consecutive naturals, for example, 137349 + ... + 153268.

It is an arithmetic number, because the mean of its divisors is an integer number (163472625).

Almost surely, 2^2313311320 is an apocalyptic number.

2313311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313311320 is an abundant number, since it is smaller than the sum of its proper divisors (2917812680).

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

2313311320 is a wasteful number, since it uses less digits than its factorization.

2313311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290827 (or 290823 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2313311320 is about 48096.8951180843. The cubic root of 2313311320 is about 1322.5477500350.

Adding to 2313311320 its reverse (231133132), we get a palindrome (2544444452).

It can be divided in two parts, 23133 and 11320, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 2313311320 in words is "two billion, three hundred thirteen million, three hundred eleven thousand, three hundred twenty".