10312233021 has 12 divisors (see below), whose sum is σ = 14896883872. Its totient is φ = 6874159176.

The previous prime is 10312233013. The next prime is 10312233077. The reversal of 10312233021 is 12033221301.

10312233021 is a `hidden beast` number, since 1 + 0 + 312 + 2 + 330 + 21 = 666.

It is not a de Polignac number, because 10312233021 - 2³ = 10312233013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10312232985 and 10312233003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311233021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54840 + ... + 153726.

Almost surely, 2^10312233021 is an apocalyptic number.

It is an amenable number.

10312233021 is a deficient number, since it is larger than the sum of its proper divisors (4584650851).

10312233021 is a wasteful number, since it uses less digits than its factorization.

10312233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110480 (or 110477 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10312233021 its reverse (12033221301), we get a palindrome (22345454322).

The spelling of 10312233021 in words is "ten billion, three hundred twelve million, two hundred thirty-three thousand, twenty-one".