14311212320 has 96 divisors (see below), whose sum is σ = 35135493120. Its totient is φ = 5501905920.

The previous prime is 14311212317. The next prime is 14311212337. The reversal of 14311212320 is 2321211341.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14311212292 and 14311212301.

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, 1027805 + ... + 1041635.

It is an arithmetic number, because the mean of its divisors is an integer number (365994720).

Almost surely, 2^14311212320 is an apocalyptic number.

14311212320 is a gapful number since it is divisible by the number (10) 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 14311212320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17567746560).

14311212320 is an abundant number, since it is smaller than the sum of its proper divisors (20824280800).

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

14311212320 is a wasteful number, since it uses less digits than its factorization.

14311212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14098 (or 14090 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 14311212320 its reverse (2321211341), we get a palindrome (16632423661).

The spelling of 14311212320 in words is "fourteen billion, three hundred eleven million, two hundred twelve thousand, three hundred twenty".