10031321104021 has 16 divisors (see below), whose sum is σ = 11974398568704. Its totient is φ = 8216475341184.

The previous prime is 10031321104019. The next prime is 10031321104081. The reversal of 10031321104021 is 12040112313001.

It is a cyclic number.

It is not a de Polignac number, because 10031321104021 - 2¹ = 10031321104019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10031321104021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031321104001) 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, 29991646 + ... + 30324271.

It is an arithmetic number, because the mean of its divisors is an integer number (748399910544).

Almost surely, 2^{10031321104021} is an apocalyptic number.

It is an amenable number.

10031321104021 is a deficient number, since it is larger than the sum of its proper divisors (1943077464683).

10031321104021 is a wasteful number, since it uses less digits than its factorization.

10031321104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60316980.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10031321104021 its reverse (12040112313001), we get a palindrome (22071433417022).

The spelling of 10031321104021 in words is "ten trillion, thirty-one billion, three hundred twenty-one million, one hundred four thousand, twenty-one".