2312210320 has 80 divisors (see below), whose sum is σ = 6467264640. Its totient is φ = 751030272.

The previous prime is 2312210317. The next prime is 2312210333. The reversal of 2312210320 is 230122132.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2312210294 and 2312210303.

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 15 ways as a sum of consecutive naturals, for example, 98017 + ... + 119296.

It is an arithmetic number, because the mean of its divisors is an integer number (80840808).

Almost surely, 2^2312210320 is an apocalyptic number.

2312210320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312210320 is an abundant number, since it is smaller than the sum of its proper divisors (4155054320).

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

2312210320 is a wasteful number, since it uses less digits than its factorization.

2312210320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217352 (or 217346 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2312210320 is about 48085.4481106291. The cubic root of 2312210320 is about 1322.3378984496.

Adding to 2312210320 its reverse (230122132), we get a palindrome (2542332452).

The spelling of 2312210320 in words is "two billion, three hundred twelve million, two hundred ten thousand, three hundred twenty".