12313321011 has 6 divisors (see below), whose sum is σ = 17785908140. Its totient is φ = 8208880668.

The previous prime is 12313321003. The next prime is 12313321043. The reversal of 12313321011 is 11012331321.

12313321011 is a `hidden beast` number, since 1 + 231 + 332 + 101 + 1 = 666.

It is not a de Polignac number, because 12313321011 - 2³ = 12313321003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313321211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 684073381 + ... + 684073398.

Almost surely, 2^12313321011 is an apocalyptic number.

12313321011 is a deficient number, since it is larger than the sum of its proper divisors (5472587129).

12313321011 is a wasteful number, since it uses less digits than its factorization.

12313321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368146785 (or 1368146782 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12313321011 its reverse (11012331321), we get a palindrome (23325652332).

The spelling of 12313321011 in words is "twelve billion, three hundred thirteen million, three hundred twenty-one thousand, eleven".