10031310021 has 8 divisors (see below), whose sum is σ = 13390230880. Its totient is φ = 6679964592.

The previous prime is 10031309927. The next prime is 10031310073. The reversal of 10031310021 is 12001313001.

10031310021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10031310021 - 2¹¹ = 10031307973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10031309979 and 10031310006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031320021) 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 7 ways as a sum of consecutive naturals, for example, 1890766 + ... + 1896063.

It is an arithmetic number, because the mean of its divisors is an integer number (1673778860).

Almost surely, 2^10031310021 is an apocalyptic number.

It is an amenable number.

10031310021 is a deficient number, since it is larger than the sum of its proper divisors (3358920859).

10031310021 is an equidigital number, since it uses as much as digits as its factorization.

10031310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787715.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10031310021 its reverse (12001313001), we get a palindrome (22032623022).

The spelling of 10031310021 in words is "ten billion, thirty-one million, three hundred ten thousand, twenty-one".