10312113321 has 20 divisors (see below), whose sum is σ = 15410621952. Its totient is φ = 6872016888.

The previous prime is 10312113311. The next prime is 10312113323. The reversal of 10312113321 is 12331121301.

10312113321 is a `hidden beast` number, since 10 + 312 + 11 + 332 + 1 = 666.

10312113321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10312113321 - 2⁵ = 10312113289 is a prime.

It is a super-2 number, since 2×10312113321² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10312113294 and 10312113303.

It is not an unprimeable number, because it can be changed into a prime (10312113323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 191800 + ... + 239606.

Almost surely, 2^10312113321 is an apocalyptic number.

It is an amenable number.

10312113321 is a deficient number, since it is larger than the sum of its proper divisors (5098508631).

10312113321 is an equidigital number, since it uses as much as digits as its factorization.

10312113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50482 (or 50473 counting only the distinct ones).

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

Adding to 10312113321 its reverse (12331121301), we get a palindrome (22643234622).

The spelling of 10312113321 in words is "ten billion, three hundred twelve million, one hundred thirteen thousand, three hundred twenty-one".