12313030021 has 8 divisors (see below), whose sum is σ = 12371644800. Its totient is φ = 12254454048.

The previous prime is 12313030001. The next prime is 12313030031. The reversal of 12313030021 is 12003031321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12313030021 - 2¹¹ = 12313027973 is a prime.

It is a super-2 number, since 2×12313030021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12313029977 and 12313030004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313030001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775060 + ... + 790786.

It is an arithmetic number, because the mean of its divisors is an integer number (1546455600).

Almost surely, 2^12313030021 is an apocalyptic number.

It is an amenable number.

12313030021 is a deficient number, since it is larger than the sum of its proper divisors (58614779).

12313030021 is a wasteful number, since it uses less digits than its factorization.

12313030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19403.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12313030021 its reverse (12003031321), we get a palindrome (24316061342).

The spelling of 12313030021 in words is "twelve billion, three hundred thirteen million, thirty thousand, twenty-one".