10031331120021 has 16 divisors (see below), whose sum is σ = 14922896158720. Its totient is φ = 6659804888640.

The previous prime is 10031331119977. The next prime is 10031331120037. The reversal of 10031331120021 is 12002113313001.

10031331120021 is a `hidden beast` number, since 1 + 0 + 0 + 313 + 311 + 20 + 0 + 21 = 666.

It is not a de Polignac number, because 10031331120021 - 2²³ = 10031322731413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10031331119976 and 10031331120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031331120721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770804245 + ... + 770817258.

It is an arithmetic number, because the mean of its divisors is an integer number (932681009920).

Almost surely, 2^{10031331120021} is an apocalyptic number.

It is an amenable number.

10031331120021 is a deficient number, since it is larger than the sum of its proper divisors (4891565038699).

10031331120021 is a wasteful number, since it uses less digits than its factorization.

10031331120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541621753 (or 1541621747 counting only the distinct ones).

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

Adding to 10031331120021 its reverse (12002113313001), we get a palindrome (22033444433022).

The spelling of 10031331120021 in words is "ten trillion, thirty-one billion, three hundred thirty-one million, one hundred twenty thousand, twenty-one".