12313421133 has 32 divisors (see below), whose sum is σ = 18170216064. Its totient is φ = 7369270272.

The previous prime is 12313421129. The next prime is 12313421149. The reversal of 12313421133 is 33112431321.

It is not a de Polignac number, because 12313421133 - 2² = 12313421129 is a prime.

It is a super-2 number, since 2×12313421133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313421633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374985 + ... + 406497.

It is an arithmetic number, because the mean of its divisors is an integer number (567819252).

Almost surely, 2^12313421133 is an apocalyptic number.

12313421133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12313421133 is a deficient number, since it is larger than the sum of its proper divisors (5856794931).

12313421133 is a wasteful number, since it uses less digits than its factorization.

12313421133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31805.

The product of its digits is 1296, while the sum is 24.

Adding to 12313421133 its reverse (33112431321), we get a palindrome (45425852454).

The spelling of 12313421133 in words is "twelve billion, three hundred thirteen million, four hundred twenty-one thousand, one hundred thirty-three".