12313303020 has 192 divisors, whose sum is σ = 40397952000. Its totient is φ = 3105050112.

The previous prime is 12313303007. The next prime is 12313303021. The reversal of 12313303020 is 2030331321.

12313303020 is a `hidden beast` number, since 1 + 2 + 31 + 330 + 302 + 0 = 666.

It is a super-2 number, since 2×12313303020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12313302984 and 12313303002.

It is not an unprimeable number, because it can be changed into a prime (12313303021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10905816 + ... + 10906944.

It is an arithmetic number, because the mean of its divisors is an integer number (210406000).

Almost surely, 2^12313303020 is an apocalyptic number.

12313303020 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 12313303020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20198976000).

12313303020 is an abundant number, since it is smaller than the sum of its proper divisors (28084648980).

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

12313303020 is a wasteful number, since it uses less digits than its factorization.

12313303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12313303020 its reverse (2030331321), we get a palindrome (14343634341).

The spelling of 12313303020 in words is "twelve billion, three hundred thirteen million, three hundred three thousand, twenty".