10031230322021 has 4 divisors (see below), whose sum is σ = 10034811628044. Its totient is φ = 10027649016000.

The previous prime is 10031230322017. The next prime is 10031230322059. The reversal of 10031230322021 is 12022303213001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7140193228996 + 2891037093025 = 2672114^2 + 1700305^2 .

It is a cyclic number.

It is not a de Polignac number, because 10031230322021 - 2² = 10031230322017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10031230321984 and 10031230322002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031230324021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790648810 + ... + 1790654411.

It is an arithmetic number, because the mean of its divisors is an integer number (2508702907011).

Almost surely, 2^{10031230322021} is an apocalyptic number.

It is an amenable number.

10031230322021 is a deficient number, since it is larger than the sum of its proper divisors (3581306023).

10031230322021 is an equidigital number, since it uses as much as digits as its factorization.

10031230322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581306022.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10031230322021 its reverse (12022303213001), we get a palindrome (22053533535022).

The spelling of 10031230322021 in words is "ten trillion, thirty-one billion, two hundred thirty million, three hundred twenty-two thousand, twenty-one".