12313140320 has 48 divisors (see below), whose sum is σ = 31327475760. Its totient is φ = 4546389504.

The previous prime is 12313140317. The next prime is 12313140337. The reversal of 12313140320 is 2304131321.

It is a super-2 number, since 2×12313140320² (a number of 21 digits) contains 22 as substring.

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 = 12313140292 and 12313140301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2957810 + ... + 2961969.

It is an arithmetic number, because the mean of its divisors is an integer number (652655745).

Almost surely, 2^12313140320 is an apocalyptic number.

12313140320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12313140320 is an abundant number, since it is smaller than the sum of its proper divisors (19014335440).

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

12313140320 is a wasteful number, since it uses less digits than its factorization.

12313140320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919807 (or 5919799 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12313140320 its reverse (2304131321), we get a palindrome (14617271641).

The spelling of 12313140320 in words is "twelve billion, three hundred thirteen million, one hundred forty thousand, three hundred twenty".